Tiantishan Grottoes in the desert
Tiantishan Grottoes (Chinese: 天梯山石窟) are a series of rock cut Buddhist cave temples in the Liangzhou (涼州) District of Wuwei (武威) City, Gansu (甘肅) Province, China. With a history of 1,600 years, Tiantishan Grottoes are amongst the earliest grottoes excavated in China.