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    Facebook Twitter 新浪微博 Instagram YouTube Thursday, Nov 3, 2016
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    China's longest karst caverns stretch for 186.333 km

    (Ecns.cn)    13:55, November 03, 2016

    Expedition members work at the Shuanghe Karst Caves in Suiyang, Southwest China's Guizhou province on October 31, 2016. The Karst Caves, measured at 186.333 kilometers, is the second longest complex of caverns in Asia. (Photo: China News Service/He Junyi)


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    (Web editor: Du Mingming, Bianji)

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