This cover fom China depicts 5 stamps of same type celebrating the World Heritage Site South China Karst
. The South China Karst
, a UNESCO World Heritage Site since June 2007, spans the provinces of Chongqing, Guangxi, Guizhou, and Yunnan. It is noted for its karst features and landscapes as well as rich biodiversity. The site comprises seven clusters Phase I: Libo Karst, Shilin Karst, and Wulong Karsit nscribed in 2007, and Phase II: Guilin Karst, Shibing Karst, Jinfoshan Karst, and Huanjiang Karst inscribed in 2014. UNESCO describes the South China Karst as "unrivalled in terms of the diversity of its karst features and landscapes.