In recent years, many natural bridges have been discovered in China, wherein, the karst natural bridges take the majority absolutely. They mainly distribute in southwest karst area of China, especially in Guangxi Zhuang Autonomous Region, Chongqing, Guizhou province and Yunnan province, while distribute sporadically in other karst areas.They possess the spatial distribution characteristics of centrality, diversity, and zonality,etc..

Schematic diagram of distribution pattern of typical natural bridge in China