A very mysterious question

Yarlung Zangbo Grand Canyon, the largest canyon in the world (depth and length). Won two world records, the deepest Grand Canyon in China, world record association and the longest Grand Canyon in the world.

[Edit this paragraph] Introduction

China The Yarlung Zangbo River Grand Canyon in the lower reaches of the Yarlung Zangbo River in Tibet is the deepest canyon in the world. There are four rare waterfalls on the canyon riverbed in the no man's land at the core of the Grand Canyon, some of which fall by 30-50 meters. There are nine vertical natural zones in the canyon, from high mountains and snow to low valleys in tropical monsoon forest. Elk has a variety of biological resources, including 2/3 of the known higher plant species in the Qinghai-Tibet Plateau,12 of the known mammals, 4/5 of the known insects and 3/5 of the known macrofungi in China, ranking the highest in the world.

The Yarlung Zangbo River Gorge starts from Daduka Village, Milin County (at an altitude of 2,880 meters) in the north and ends at Pasigat Village, Medog County (at an altitude of 1 15 meters) in the south. The Yarlung Zangbo River Gorge is 504.9 kilometers long, with an average depth of 2,800 meters and the deepest point of 6,009 meters. It is the largest canyon in the world. Glaciers, cliffs, steep slopes, mudslides and huge rivers crisscross the whole canyon area, and the environment is very bad. Many areas have not been set foot in so far, which can be called "the last secret place on earth" and one of the few blank areas in geological work.

The master plan of the Yarlung Zangbo River Grand Canyon National Nature Reserve passed the expert review in April 2000. This indicates that the Yarlung Zangbo River Grand Canyon will soon become a national nature reserve. In the Master Plan, relevant experts from Tibet and scientists from the Chinese Academy of Sciences made a very detailed plan for the protection of animals, plants and geological features of the Yarlung Zangbo River Grand Canyon, divided various protected areas and protected species, and formulated perfect protection measures. The planned Yarlung Zangbo River Grand Canyon Nature Reserve has a total area of over 9,600 square kilometers and a population of 1490. The Yarlung Zangbo Grand Canyon not only ranks first in depth and width in the world, but also attracts the attention of scientists all over the world with its rich scientific connotation and valuable resources. The largest precipitation area in the world is located in the northernmost tropical climate zone and natural zone of the Yarlung Zangbo River basin. The ancient endangered species in the world live and multiply in the Yarlung Zangbo River Grand Canyon. The Yarlung Zangbo River Grand Canyon is home to the richest hydropower resources and rare biological resources in the world. ...

The Yarlung Zangbo River Grand Canyon is the region where the global tropical climate moves 600-500 kilometers northward, with the largest precipitation in the same latitude in the world and the fastest rising in the world.

On1October 23rd, 2005, 10, the list of the most beautiful places in China was released. The ten most beautiful canyons in China are Yarlung Zangbo Grand Canyon, Tiger Leaping Gorge of Jinsha River, Three Gorges of Yangtze River, Nujiang Grand Canyon, Meili Grand Canyon of Lancang River, Taroko Grand Canyon, Shanxi-Shaanxi Grand Canyon of Yellow River, Jinkou Grand Canyon of Dadu River, Taihang Mountain Grand Canyon and Kuqa Grand Canyon of Tianshan Mountain.

In 2009, on the occasion of the 60th anniversary of the founding of New China, the centenary of the founding of the Geographical Society of China and the centenary of the founding and development of modern geography in China, * * * jointly launched the "Centennial Discovery of Geography in China" selection activity [1]. Including 1994 Yarlung Zangbo Grand Canyon proved to be the largest canyon in the world.

[Edit this paragraph] Discovery and naming

199 1 and 1993, the China Scientific Investigation Association visited the Yarlung Zangbo Grand Canyon successively.

1994, Liu Dongsheng and others proved that the Yarlung Zangbo Grand Canyon is the largest canyon in the world, with a total length of 496.3km and a depth of 5382m [2]. According to the data released by the State Bureau of Surveying and Mapping, the Grand Canyon starts from Daduka Village in Milin County in the north (at an altitude of 2,880 m) and ends at Pasigat Village in Medog County in the south (at an altitude of 1 15m). With a total length of 504.6 kilometers, the deepest point of 6009 meters and an average depth of 2268 meters, it is undoubtedly the largest canyon in the world. Once listed as the world's largest Colorado Grand Canyon (2133m deep and 370km long) and Colca Grand Canyon (3,203m deep and 90km long), it is not equal to the Yarlung Zangbo Grand Canyon. Xinhua reported the news to the whole world in time, which caused a sensation all over the world.

1In September, 1998, People's Republic of China (PRC) and the State Council officially approved that the scientific name of the Grand Canyon is "Yarlung Zangbo Grand Canyon", and the English alphabet is spelled Yarlung Zangbo Grand Canyon.

From late October of 1998 10 to early February of 18, the expedition team crossed the Grand Canyon on foot and made another survey, further confirming its position as the largest grand canyon in the world. At the same time, in the no man's land at the core of the Grand Canyon, more than 20 kilometers from Xixingla down to the entrance of Palong Zangbo, four waterfalls have been discovered by predecessors. From the downstream to the upstream, there are Rongzha Waterfall Group, Qiugudulong Waterfall Group and Zangbu Badong Waterfall Group. Among them, Zangbo Badong Waterfall Group includes Zangbo Badong Waterfall I and Zangbo Badong Waterfall II. Zangbo Badong Waterfall II is the largest, with a height of 35 meters and a width of 62.57 meters.

[Edit this paragraph] Travel guide

Transportation:

First, take the shuttle bus from Lhasa to Linzhi. The bus leaves at 8: 00 am, 633 kilometers from Lhasa to Bayi Town, Linzhi, and the fare is 155 yuan. Then, take a bus from Bayi to Pailong. After that, visit the bend of the Yarlung Zangbo River and the deepest canyon in the world on foot, and then from Zhaqu to Pailong. On the way, you can visit Menba village and enjoy the virgin forest. Finally, you can take a bus from Pailong to Mi.

Travel strategy of Yarlung Zangbo River Grand Canyon

Suitable travel time: May -65438+ 10.

Climate in hiking area: Linzhi is located in the south of Tibet, influenced by many climate types such as subtropical zone and alpine zone, and the climate in different zones is also different. Cuogao Lake is wet and cold in spring, cool in summer, and autumn is the most beautiful season.

Best hiking time: early June-65438+1mid-October is the time to hike the Yarlung Zangbo Grand Canyon. After 65438+ 10, due to the heavy snow, Medog will close the mountain until June next year, and it is impossible to get in and out. April and 10 are the best seasons to enter Medog. There is little rain in the Grand Canyon these two months, and there is no danger of landslides and mudslides. During the rainy season from June to August, some paths in and out of Medog were in danger.

Recommended route: You can choose beautiful scenery tips for the six routes of Yarlung Zangbo Grand Canyon! Exploring the Grand Canyon in Tibet is risky. The following itinerary is for reference only. )

Route 1: Paiqu, Milin County-Duoxiongla-Nage-Hanmi-Manon-Beibeng. This is a traditional avenue, and it is also a road from the plateau on the northern slope of the Himalayas to the lower valley of the Grand Canyon. It usually takes three days to walk, and the middle area has to cross the Doxiongla Pass at an altitude of about 4,200 meters, and all the way downhill from Nag to Hanmi and Manon. Among them, in the Hukou area under Khan, the mountain road hangs on a steep cliff, which is very steep and difficult to walk. Traffic accidents have been here over the years. Starting from Manon, we crossed the steel frame suspension bridge and reached the collapse area on the other side. The altitude dropped to about 700 meters.

Route 2: Depart from Pai District of Milin County, pass through Daduka and Gejia to Galla, go downstream and enter the path of the Grand Canyon. There is no escape from Gallas to no man's land. Walking along the river for about a week can reach Baimaxiong, which is full of knife-like bedrock steep walls. Before the founding of the People's Republic of China, the traditional way was to go up the mountain from Baimaxiong, leave the canyon along a branch ditch, go straight down through Xixing Lashankou (4400 meters above sea level), reach the Grand Canyon, enter Lu Gu Village by the river after a big bend, cross the zip line to Gandai (east coast), and heat the pizza area from Gandai to Medog.

Route 3: From Pa Uplift of Sichuan-Tibet Highway, go down along the lower valley of Palong Zangbo River. The three-day Roman Avenue can go directly to Zhaqu Village at the top of the Grand Canyon, cross the newly-built Tiesuo Bridge (formerly Liusuo), reach Bo, cross the Grand Canyon, pass through the virgin forest and ridge all the way, and reach Bayu Village at the corner of the Grand Canyon in three days, and then pass through Lugu, Gandai and Resa to Medog.

Route 4: Start from bomi county's hometown, cross the ancient town lake of Palong Zangbuhe River, go up the mountain, cross Suilaguan (about 4,400 meters above sea level), go down to the southwest, and go straight to the heating area along the Grand Canyon River. The mountain road twists and turns along the way, and the journey takes three days.

Route 5: From the southbound direction of Zhamu Town, bomi county, follow the north bend of Galongla, cross the Galongla Pass at an altitude of 4,200m, go down to the southwest, and pass through 64km and 86km ("64 km" and "86 km") along the Galongla South River respectively, all of which are special names for sections on Bomi Highway, also known as Class 64 and Class 86, and reach Damu on one side of the Grand Canyon. This line has been repaired many times, and the pedestrian path is easy to walk. In the mountain season, you can even drive along the highway to 63 kilometers. If all goes well, it usually takes two days to enter the Grand Canyon and reach Medog.

Route 6: Go east to Xing, not far from Bomi, cross the source of Palong Zangbo River along Daxing River, cross Jinzhu Laguan on Panshan Trail (at an altitude of 5030 meters), cross Jinzhu Laguan along Jinzhu Qu, cross the violin to reach (Dang Ge) District, and then from the district, cross Leech Mountain and reach the Grand Canyon River. Generally, it takes four or five days to walk.

[Edit this paragraph] Scientific investigation

The Grand Canyon is the most mysterious area on the Qinghai-Tibet Plateau. Because of its unique tectonic position, it is regarded by scientists as "the keyhole to open the door of earth history" Therefore, the geological survey of the Grand Canyon area is an important part of the geological survey of the Qinghai-Tibet Plateau. Henan Geological Survey Institute is one of the main forces in geological survey of Qinghai-Tibet Plateau. Since 1999, it has undertaken and completed some subprojects, such as remote sensing comprehensive survey of land and resources in Tibet, geological mapping of blank areas in Qinghai-Tibet Plateau, investigation and evaluation of resource and mineral bases along Qinghai-Tibet Railway, and investigation and evaluation of Sanjiang nonferrous metal base in southwest China. Among them, the regional geochemical exploration projects of1:200,000 wave density amplitude and Medog amplitude carried out in the Grand Canyon area have attracted wide attention from all walks of life.

The discovery of the Yarlung Zangbo Grand Canyon is called one of the most important geographical discoveries of mankind in this century by the scientific community. It was discovered suddenly by several generations of Chinese scientists after long-term efforts. Prior to this, China scientists from various disciplines had visited the region eight times for comprehensive scientific investigation.

19981late October to1early February, the scientific investigation team composed of scientists, journalists and mountaineers lasted more than 40 days and traveled nearly 600 kilometers. It carried out extremely arduous scientific investigation activities in the Yarlung Zangbo River Grand Canyon area with dense forests, cliffs and fast-flowing water, and obtained a lot of scientific data.

During more than 40 days of hiking, experts have accurately drawn the depth and valley bottom width of the Grand Canyon and mastered extremely important measurement data. Geology, hydrology, plants, insects, glaciers, landforms, etc. , but also obtained a wealth of scientific data and thousands of specimens, adding new content to the resource treasure house of the Grand Canyon. What is particularly commendable is that this survey not only confirmed the waterfalls on the main stream of the Yarlung Zangbo River and their number and location, but also found a large area of endangered and rare plants-Taxus chinensis, a "living fossil" in the insect family-Echinoptera.

Scientific investigation has confirmed that the Yarlung Zangbo River Grand Canyon is a mountainous area with the richest biodiversity in the world, and it is a "natural museum of plant types" and a "genetic treasure house of biological resources". At the same time, the Grand Canyon is located in the northeast corner of the subduction of the Indian Ocean plate and the Eurasian plate, with various geological phenomena, and is called the rare "geological museum".

The Yarlung Zangbo River Grand Canyon has magical charm to the world. The unique environment and abundant natural resources are the precious wealth of our motherland and the precious natural heritage of all mankind.

After the Central Committee of the Communist Party of China implemented the strategic decision of developing the western region, the scientific investigation and resource investigation in the Grand Canyon area were formally put on the agenda. From 65438 to 0999, the geological survey in China was invited to the whole country, which opened the prelude to a large-scale, deep-seated and all-round resource survey in this area. With the good reputation of more than ten years' campaign in Tibet, plateau work experience and rich technical talents, Henan Geological Survey Institute won the first place among many bidders and undertook the regional geochemical survey of the core area of the Yarlung Zangbo River Grand Canyon in Tibet1:200,000 Bomi Sheet and Medog County Sheet.

Since March 20th, 2000, a scientific research team composed of 38 geologists from Henan Geological Survey Institute went to Yarlung Zangbo River Grand Canyon, carried forward the spirit of "three honors" and "four specialties", overcame many unimaginable difficulties and hardships, and conducted a comprehensive investigation on the grid format of the whole Grand Canyon with a high sense of responsibility and rigorous scientific attitude. They traveled more than 26,000 kilometers, completed the survey area of 7,938 square kilometers, systematically collected 2 102 geochemical samples, tested and analyzed 42 chemical elements, and obtained 63,252 basic data, which was the first time to obtain the highest level of geological data. This is the first time in China and even in human history that a national-level scientific investigation has been conducted on the Grand Canyon in a large-scale, deep-level, network format and systematic geological survey.

Through investigation, comprehensive geochemical anomalies have been newly discovered. The eco-geochemical background of the Grand Canyon has been preliminarily identified, which provides a basis for preventing and controlling endemic diseases, promoting social development in ethnic minority areas and making protection and development plans for the Grand Canyon.

Henan geologists have successfully completed their scientific research tasks, and at the same time, they have taken more than 4,000 scenic photos, working photos and dozens of precious video materials of the Grand Canyon, and selected the essence from them to edit and publish a beautiful picture book "Walking into the Yarlung Zangbo River Grand Canyon". The album truly records the life and work scenes of geological expedition members in the Grand Canyon and the unique natural geographical landscape in the Grand Canyon area, and makes an important supplement to the scientific research report in the Grand Canyon area from an artistic point of view with the unique eyes of geological expedition members.

[Edit this paragraph] Geographical environment

Why did the young Qinghai-Tibet Plateau form such a magnificent grand canyon? The direct cause of the formation of the Yarlung Zangbo River Grand Canyon is related to the rapid uplift of the crust and deep geological processes in this area in the past 3 million years. Since 654.38+0.5 million years, the uplift speed of the Grand Canyon has reached 30 mm/year, which is one of the fastest areas in the world. The evidence obtained from the latest geological survey shows that the fundamental reason for the formation of the Grand Canyon is the existence of asthenosphere mantle upwelling in this area. The geological characteristics of the Yarlung Zangbo River Grand Canyon are basically similar to those of the Colorado Grand Canyon in the United States. Mantle upwelling in the Yarlung Zangbo River Grand Canyon may be an important factor for the formation of water vapor channels in the Grand Canyon, or it may be the reason why southeast Tibet, which is centered on this area, has become a so-called "climate start-up area", or it may be an important reason why the zonal distribution of organisms in this area has moved northward by 3 to 5 degrees. The adjustment of lithospheric material and structure characterized by mantle upwelling in the Grand Canyon area obviously restricts the long-term scale of the outer layer of the earth, and it is the most ideal field laboratory to study the coupling effect of the intermediate layer in the earth system.

The combination of peaks, bends and canyons is very rare in the history of world canyon river development, which is a natural wonder in itself. In fact, the Great Bend Canyon is made up of several bends. The Garabaire Peak on the north side of the canyon is also the center of glacier development, and the Liequ Glacier on its east slope is a large valley glacier, extending from the snow line to an altitude of 4,700 meters to an altitude of 2,850 meters.

On the northern slope of the eastern section of Nyainqentanglha Mountain at the entrance of the water vapor passage in the north of the Grand Canyon, there is a Kachin glacier with a length of 33 kilometers. The Laigu Glacier in the upper reaches of Palong Zangbo is 35 kilometers long. The part where they are located is a long valley glacier in China's ocean temperate glaciers. The last part of the glacier extends into the subtropical evergreen broad-leaved forest, with a minimum elevation of about 2,500 meters, forming a unique natural landscape.

[Edit this paragraph] Formation reason

In Quaternary, there were many glaciation in the mountains here, leaving a complete U-shaped ancient glacial valley. The dense ice mounds on the valley floor plain are like graves, which are the accumulation relics of ancient glaciers in the specific environment of water vapor passage. On the Qinghai-Tibet Plateau, the world-famous roof, there is a green channel extending southeast along the Yarlung Zangbo River-Yarlung Zangbo River Valley, and the Yarlung Zangbo River Grand Canyon is an important part of this green channel. The deep Yarlung Zangbo Grand Canyon is like a green gateway in the southeast of the Qinghai-Tibet Plateau, facing the Bay of Bengal and the Indian Ocean, providing a natural passage for warm and humid airflow from the Indian Ocean.

[Edit this paragraph] Climatic conditions

This natural water vapor channel makes the warm and humid air flow from the Indian Ocean form the largest precipitation zone in the world in the southeast of the Qinghai-Tibet Plateau, with an annual precipitation of 4500-11060 mm; It is this water and gas channel that has accumulated huge hydropower resources in the Grand Canyon. It is this natural water vapor channel that makes the tropical climate zone in the southeast of the Qinghai-Tibet Plateau move northward by five latitudes. It is this natural water vapor channel that has developed a huge ocean glacier; It is this natural water vapor channel that narrows the obvious difference between the north and south natural belts, that is, this natural water vapor channel pushes many thermal drives and plant distribution northward; It is this natural water vapor channel that promotes the mixing and communication between the northern and southern creatures in the Himalayas, and it is this natural water vapor channel that provides a safe shelter for many paleontological species from extinction. The water vapor channel of the Yarlung Zangbo River has caused a complete vertical natural belt distribution in the Grand Canyon area, from high to low, from alpine ice and snow to low tropical monsoon rainforest belt, just like from polar to equator or from northeast to Hainan Island.

Below the alpine snow line is the alpine shrub meadow belt, then the alpine and subalpine evergreen coniferous forest belt, then the mountain evergreen, semi-evergreen broad-leaved forest belt and evergreen broad-leaved forest belt, and then the monsoon rainforest belt in the low mountain canyon. The monsoon rain forest here is different from the tropical rain forest near the equator. It is a rainforest ecosystem with obvious seasonal changes formed under the conditions of tropical maritime hand winds. This is the most complete and abundant mountain vertical natural belt in the world, and it is also the epitome of global climate change.

The Yarlung Zangbo River is the largest river in Tibet, ranking fifth in China, but its hydraulic resources are second only to the Yangtze River in China, and its water resources per unit area are the highest in the world.

[Edit this paragraph] Rich animal and plant resources

The Grand Canyon is the richest place in Xizang Autonomous Region. There are more than 3,500 species of vascular plants in the region, including no less than 1000 species of economic plants with utilization value, which can be divided into medicinal plants, oil plants and fiber plants. Special mention should be made of alpine rhododendron, because the alpine shrubs in the Grand Canyon are mainly composed of evergreen rhododendron. There are 154 species of rhododendron in this area, accounting for 26% of the total species of rhododendron in the world (about 600 species).

The dense forests and alpine scrub meadows in the Grand Canyon area are the homes of various animals, many of which are rare animals under special state protection. Such as fur animals, otters, minks, clouded leopards, snow leopards, silkworms, ferrets, leopard cats, red pandas, etc. Medicinal animals: musk deer, black bear, pangolin, flying squirrel, snake, silver ring snake, king cobra; Medical animal macaque; Ornamental animals: langur, brown-necked hornbill, red-breasted pheasant, red-bellied horn, pottery parrot, big-breasted parrot, blue-throated sunbird, fire-tailed sunbird, red-billed lovebird, golden pheasant, A?vagho?a in Tibet, black-necked crane, python and antelope. Many of them are on the verge of extinction because of being hunted for a long time.

[Edit this paragraph] Environmental characteristics

In the Grand Canyon area, almost all natural areas are occupied by forests except the ice and snow desert and meadow shrubs above the forest line at an altitude of 4200 meters. Daran forest area is vast and rich in forest resources, ranking second in the country, second only to the northeast and southwest.

The Grand Canyon has two basic features: the unique big bend and the largest water vapor channel on the Qinghai-Tibet Plateau. These two features constitute a rare natural wonder in the world, and are also the most distinctive eco-tourism resources of the factory. Spectacular, peculiar, majestic, beautiful, primitive, natural, clean, unique environment and rich resources are unparalleled. The former is best viewed from the air, especially from the air, where you can see its spectacular panorama and beautiful scenery. The water vapor and heat of the latter bring the complete vertical natural belt, biodiversity, the infinite charm and magical beauty of monsoon ocean temperate glaciers, mountains and lakes, and endless unique and magnificent weather to the eco-tourism in the Grand Canyon area.

Years of research show that the direct cause of the formation of the Yarlung Zangbo River Grand Canyon is the rapid uplift of the crust in this area in the past 3 million years, which is related to the deep geological process. Using fission track method, it is found that the uplift speed of the Grand Canyon area has reached 30mm/ year since 6.5438+500,000 years, which is one of the fastest areas in the world. Climate evidence shows that the Grand Canyon area is a "hot spot", and it is inferred that there is a heat source similar to the mantle plume, but there is no direct geological evidence. The recent geological survey has obtained complete petrological and tectonic geological evidence, which shows that the fundamental reason for the formation of the Grand Canyon is the existence of asthenosphere mantle upwelling in this area.

Most importantly, a set of complete rock series composed of ultrabasic alkaline complex-carbonate rocks (Zhong Dalai et al., 1998) intruded along the nearly east-west ductile structural belt near the above-mentioned high-pressure metamorphic granulite terrane and the junction zone between the two continents. The intrusive rocks are in the shape of cones and dikes, with a width of 30cm- 12m. The marginal phase of ultrabasic alkaline complex or small-scale rock pipe is amphibole olivine, and the central phase is amphibole phlogopite olivine pyroxenite. The main mineral phases are phlogopite, orthopyroxene, clinopyroxene, amphibole and spinel, and aragonite, nepheline and olivine can also be found. Strong mantle hydrothermal alteration or metasomatism occurred in the surrounding rocks of carbonate rocks, and crystalline massive carbonate rocks were embedded in the vein center. The main carbonate minerals are aragonite, including nepheline, phlogopite, olivine, orthopyroxene, clinopyroxene and garnet. It is also found that the previously reported astrophyllite minerals are of great significance to distinguish carbonate igneous rocks. This kind of rock assemblage usually comes from the mantle and is mostly formed in response to asthenosphere upwelling and lithospheric thermal thinning. Igneous carbonate rocks are the product of the late crystallization differentiation of mantle solution, which also shows that the composition and mineral content of carbonate rocks and ultrabasic alkali complexes are transitional. Geologically speaking, their formation time is very young, and the preliminary isotopic chronological results prove that they were formed 5-8 million years ago. The discovery of this rock assemblage provides sufficient petrological evidence for demonstrating that the formation of the Grand Canyon is due to the thermal uplift caused by mantle upwelling in this area. Therefore, the geological characteristics related to the formation of the Yarlung Zangbo River Grand Canyon are basically similar to those of the Colorado Grand Canyon in the United States, which is the result of mantle upwelling or mantle hot spots, which caused lithospheric thinning and similar magmatism, and the corresponding rapid crustal uplift formed the Grand Canyon.

Basic characteristics of Yarlung Zangbo River Grand Canyon

Its basic characteristics can be summarized in ten words: high, strong, deep, moist, quiet, long, dangerous, low, strange and beautiful.

Height: On both sides of the Yarlung Zangbo River Grand Canyon, the towering Nangabawa Peak (7782 meters above sea level) and Galabai Peak (7234 meters above sea level) stand on the city wall, and their peaks are strongly uplifted fault blocks, towering into the sky. Glaciers hang on the ridge, with dense clouds and changeable weather.

Zhuang: Have a bird's eye view of the Grand Canyon from the air or from the mountain passes such as Xixingla. Among the numerous snow peaks and green hills in the East Himalayas, the Yarlung Zangbo River just cut a steep canyon, crossed the mountain barrier, made a strange big bend around Nange Bawa Peak, and flowed south into the Indian Ocean. Its magnificence and strangeness are unparalleled.

Depth: The deepest part of Yarlung Zangbo Grand Canyon between Nangarbawa and Garabaire is 5,382m, and the average depth around the core reach of Nangarbawa is about 5,000m, far exceeding the Colorado Grand Canyon with a depth of 2133m, the Colca Grand Canyon with a depth of 3,200m and the Dege Grand Canyon in Culligan with a depth of 4,403m.

Run: The Yarlung Zangbo Grand Canyon is the largest water vapor channel on the Qinghai-Tibet Plateau. Affected by the warm and humid air flow in the Indian Ocean, the annual precipitation in the southern section of the Grand Canyon is as high as 4,000 mm, and the northern section is also between1500 ~ 2,000 mm. Therefore, the entire Grand Canyon area is extremely humid and covered with dense forests, forming the most biodiversity-rich canyon in the world. It is different from the arid Colca Grand Canyon with desert vegetation and the relatively arid Colorado Grand Canyon with a single pine forest.

You: The Yarlung Zangbo River Grand Canyon is lush with trees. Because of the steep terrain, inconvenient transportation, sparsely populated, and many river sections are completely deserted, and the Grand Canyon is shrouded in clouds and mysterious, the environment is particularly quiet. This is also unmatched by the above three canyons.

Length: The Yarlung Zangbo Grand Canyon bypasses Nangbawa Peak in a continuous canyon, with a total length of 496.3 kilometers, which is 56 kilometers longer than the Colorado Grand Canyon, which is known as the "longest" grand canyon in the world.

Danger: In the Yarlung Zangbo Grand Canyon, rocks stand on both sides of many river sections, making it impassable, so no one has ever crossed the canyon on foot. Compared with the other three canyons, there are roads in the valley; In the Grand Canyon of Colorado, visitors can ride livestock through the valley. Colca Grand Canyon, visitors can travel along the valley; There are many villages in the valley of Kaligendege Grand Canyon in Culligan, and the path along the valley is the main route for local hiking. As far as waterways are concerned, the Yarlung Zangbo Grand Canyon has an average flow rate of 4,425m3/s, far exceeding that of the Colorado River and other two rivers with a flow rate of 16m/s, and is connected by falling water. Up to now, no one has been able to drift into the Yarlung Zangbo River Grand Canyon, and the sinister degree of its current is far above the canyon.

Low: pasighat, the lowest point of the Yarlung Zangbo River Grand Canyon, is only 155 meters above sea level, far below the lowest point of any of the above three canyons.

Odd: The most peculiar thing about the Yarlung Zangbo Grand Canyon is that it suddenly turns from east to west to south in the eastern Himalayas, goes down the southern slope of the eastern Himalayas and flows into the Indian Ocean, forming the most peculiar horseshoe-shaped bend in the world. It is not only a unique landscape, but also a grand canyon with unique water vapor channel function in the world, creating a unique forest ecosystem landscape on the southeast edge of the Qinghai-Tibet Plateau.

Xiu: The natural landscape of the whole Grand Canyon can be summarized as "Yarlung Zangbo Grand Canyon is the best in the world". To say that its program is the best in the world mainly means that it is unique in the breadth, depth and intensity of the program. In terms of breadth, the Grand Canyon is a beautiful scenery of mountains, water, trees, grass, clouds, fog, animals, birds, butterflies, fish, people and villages ... Not only that, the Grand Canyon also has its profound and magnificent connotation. For example, the water in the Grand Canyon, from solid ice and snow to boiling hot springs, from trickle and curtain waterfall to surging rivers, is beautiful in solid, liquid, gaseous, snowflakes, streams and rivers, and permeates into various forms and scales. From the intensity point of view, hundreds of meters of waterfalls, 16 m/s flow, 4425 cubic meters/s flow, are very spectacular. Another example is the mountains of the Grand Canyon, from low mountains covered with tropical monsoon rainfall to towering snow-capped mountains. The vast forests and towering snow peaks give people a beautiful feeling, more like a stroke of genius. Many creatures born and raised in Sri Lanka, with their unique shape and vitality, emit beautiful light.