The South China Karst (simplified Chinese: 中国南方喀斯特; traditional Chinese: 中國南方喀斯特; pinyin: Zhōngguó Nánfāng Kāsītè), a UNESCO World Heritage Site since June 2007, spans the provinces of Guangxi, Guizhou, and Yunnan. It is noted for its karst features and landscapes as well as rich biodiversity. The site comprises three clusters: Libo Karst, Shilin Karst and Wulong Karst.