Jiayu Pass is the first pass at the west end of the Great Wall of China, near the city of Jiayuguan
It is a county-level city in northwestern Gansu Province, Western China.
The Mogao Caves form a system of 492 temples 25 km southeast of the center of Dunhuang.
Echoing-Sand Mountain, known as Mingsha Shan in Chinese, is five kilometers away from the city of Du