Zhangjiajie world geopark is located in the city of Zhangjiajie in Hunan Province, covering a total area of 3,600 square kilometers, the main types of geological relics Sandstone geomorphology, karst caves. Geopark distribution area exposed Devonian (about 350 million ~ 400 million years) thick layer of quartz sandstone, As middle-rock gently and vertical joints developed by the late crustal uplift movement, gravitational collapse and rainwater erosion and other domestic and foreign geological dynamic role, formed a strange Sandstone landscape.