The grain production in dry mountain area of eastern Qinghai makes up large proportion in the whole country.
青海东部山旱区的粮食生产，在全省占有极大的比重，长期以来，因自然条件恶劣；
West limestone dry stone mountain, central as the Loess Plateau hilly region and the Taiwan area, the eastern plains area, 731-1716 m above sea level in between.
西部为石灰岩干石山区，中部为黄土丘陵区和台塬区，东部为平原区，海拔高度在731-1716米之间。
Drawing on rock is distributed mainly over the mountain rock of dry-grassland and desert-grassland area in north-China.
我国岩画主要分布在北方干旱荒漠草原区。
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