通江喀斯特洞穴规模之宏大,洞穴数量之多,密度之大,分布之集中,在世界属于罕见之列。它们同时发育于寒武、奥陶、二叠、三叠纪不同时代不同岩性地层中,也是绝无仅有的。洞内处处是美景,令人眼花缭乱,目不暇接,如置身仙界。其中,圆顶蚊帐状石盾群、密集的数以万计鹅管群、钙华瀑布、密集成片石塔林、幕帘群等巧夺天工,均是稀世珍品。 Tongjiang karst cave large scale, the number of caves, the density of large, concentrated in the world is a rare column. They are also unique in Cambrian, Ordovician, Permian, and Triassic strata of different lithologies of different ages. Everywhere in the cave is the beauty, dazzling, dizzying, such as exposure Xianjie. Among them, the dome-shaped mosquito-shaped stone shield group, dense tens of thousands of goose tube group, travertine waterfalls, intensive into pieces of stone Tallinn, curtains and other groups, are rare artifacts.