Watch: UK-China expedition discovers world-class cave hall

Watch: UK-China expedition discovers world-class cave hall

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Watch: UK-China expedition discovers world-class cave hall

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Updated: 20/10/2018 - 17:54

Video. Watch: UK-China expedition discovers world-class cave hall

A China-UK joint expedition team has discovered a world-class giant cave hall in the Nongle sinkhole in Fengshan County of south China's Guangxi Zhuang Autonomous Region

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