Joke Collection Website - Mood Talk - Look at the picture above and explain why most ancient human sites appear in rivers and valleys.
Look at the picture above and explain why most ancient human sites appear in rivers and valleys.
There is water by the river, and it is abundant. Water is what human beings live on.
Drinking: the most basic guarantee of human survival needs
Washing: It can keep clean and keep away from diseases.
Irrigation: Large-scale agriculture can be developed to ensure food supply.
Smelting: the foundation needed for military expansion in the era of cold weapons
Transportation: In ancient times, transportation depended on manpower and animals. When there is a river, there is a boat, which saves more time and effort than manpower and animal power.
Climate: The climate in Okawa is humid and human beings feel very comfortable.
So there is the gathering, reproduction and development of population.
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