Scientists discover giant karst sinkhole cluster in China
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NANNING -- A team of multinational scientists said they have discovered a giant cluster of karst sinkholes in South China's Guangxi Zhuang autonomous region.
The sinkhole cluster, which consists of 19 karst sinkholes, is mainly located in Napo county, according to the scientists from China, the UK and France.
The sinkholes are interconnected through an underground river and a cave system, making them the largest cluster ever found south of the Tropic of Cancer, said Zhang Yuanhai, a member of the team organized by the Institute of Karst Geology of China Geological Survey, the Ministry of Natural Resources.
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