Open the map of China, there is a particularly conspicuous area, a long narrow road, like a natural corridor, communication Chang'an, Luoyang two Beijing and Guang'an West Region, this is the famous Hexi Corridor. China has conveyed Chinese wisdom such as papermaking, silk, tea, and the way of Confucianism and Mengmeng to China through this place, and the world has brought Buddhism, grapes, and glaze and other fresh products and civilizations to China. The Hexi Corridor has become the most important corridor on the Silk Road, and the most important throat place in the western region and even the western world into China's hinterland. There are many ancient city sites in this corridor, scattered in the sparsely populated wilderness, waiting quietly for people who cherish them to worship. Camel City, Xu Sanwan City and Black Water Country sites are among the three that should not be missed. Silk Road | Cultural Travel | Small Attractions | Ancient City Site