Zhangye Danxia Landform Chinese: 丹霞地貌; pinyin: dānxiá dìmào) Geological Park in Gansu Province, China, is known for its impressive colorful rocks.
These colors are formed by layers of reddish sandstone, the terrain has been eroded over time (pressed together over 24 million years) into a series of mountains surrounded by curvaceous cliffs and unusual rock formations and landforms in China, Gansu.
China Danxia is a serial property comprising six component parts (Chishui, Taining, Langshan, Danxiashan, Longhushan, and Jianglangshan) found in the sub-tropical zone of south-eastern China within approximately 1700 km crescent shaped arc from Guizhou Province in the west to Zhejiang Province in the east.
Zhangye Danxia Mountains was selected as a UNESCO World Heritage Site in 2010.