Wulingyuan 's a scenic and historic interest area in Hunan Province, China, famous for its approximately 3,100 tall quartzite sandstone pillars, some over 800 meters in height, which are a kind of karst formation. It's part of Zhangjiajie city, about 270km from the capital of Hunan Province, Changsha. It lies between the coordinates of and . It was designated a UNESCO World Heritage Site in 1992. Wulingyuan forms part of the Wuling Range.… (More on Wulingyuan)