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Unique ecosystem preserved in C 皇冠体育app's karst cave

(Xinhua) Updated: 2016-05-26 14:27 Comments

Unique ecosystem preserved in C 皇冠体育app's karst cave

A girl explores the 290-meter-deep karst cave in Luoquanyan village of Xuan'en county, Central 皇冠体育app's Hubei province. The cave, which occupied around 100 mu (6 hectares), has its own unique ecosystem. [Photo/Xinhua]

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