Mogao Grottoes, commonly known as Thousand Buddha Cave, is located in Dunhuang at the western end of Hexi Corridor. Founded in the pre-Qin period of the Sixteen Countries, after the Sixteen Countries, Northern Dynasties, Sui and Tang Dynasties, Five Dynasties, Xixia and Yuan Dynasties, it has formed a huge scale, with 735 caves, 45,000 square meters of murals and 24 15 clay sculptures. It is the largest and richest Buddhist art site in the world.