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The stone cave is dark and damp, with a narrow wooden passage. [Photo:CRIENGLISH.com/Duan Xuelian]
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![The stone cave is dark and damp, with a narrow wooden passage. [Photo:CRIENGLISH.com/Duan Xuelian]](http://images.china.cn/attachement/jpg/site1007/20090903/000d87ad3cdd0c09be0753.jpg "The stone cave is dark and damp, with a narrow wooden passage. [Photo:CRIENGLISH.com/Duan Xuelian]")
