Design a slogan for the historic sites in huangling county, Shaanxi.

Huangling county is located in the middle of Shaanxi Province, 24km away from the revolutionary holy land Yan 'an165km away from the ancient city xi 'an165km away from the north. It governs 6 towns and 4 townships 1 sub-district offices, with a total area of 2,292 square kilometers and a total population of130,000.

Huangling is rich in human resources. Xuanyuan Huangdi Mausoleum, the ancestor of the Chinese nation, is located at the top of Qiaoshan Mountain 1 km north of the county seat. It is the first batch of national key cultural relics protection units announced by the State Council, the first ancient tomb, and has the reputation of "the first mausoleum in the world". Huangling county is named as "the hometown of Yellow Emperor Sacrifice Culture in China" and one of the first strong tourist counties in Shaanxi Province.

Huangling county is rich in coal resources, with proven geological reserves of 2.73 billion tons. It is one of the 33 key coal-producing counties in China and the four major coalfields in Shaanxi Province. It has the characteristics of shallow burial, easy mining, medium ash, low sulfur, low carbon and high calorific value. It is high-quality coal for chemical industry, electric power and production. The mining area has now formed an annual production capacity of 22.85 million tons.

Huangling county is one of the best apple producing areas in the world. The county's apple area is 200,000 mu, with an annual output of more than 230,000 tons. It is one of the apple export bases in Shaanxi Province.