武隆县位于重庆市东南部，这里又名天坑三硚，是全国罕见的地质奇观生态型旅游区，属典型的喀斯特地貌。景区以天龙桥、青龙桥、黑龙桥三座气势磅礴的石拱桥称奇于世，属亚洲最大的天生桥群。图片来源：ICphoto
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