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神秘的世界，耸人听闻的传说。长江三峡瞿塘峡东首声名远播的大溪上游究竟有什么？我们随着中英洞穴探险队的足迹去揭示这千古之谜吧！
Mysterious world, sensational legend. Yangtze River Three Gorges Qutangxia first well-known in the upper reaches of Dasi what? We follow the footprints of the Sino-British cave expedition to reveal the eternal mystery it!