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Tianmen Hole is another of Zhangjiajie’s scenic wonders. It is an immense hole in Tianmen Mountain carved out entirely by natural forces.So far,no one has been able to explain exactly how this formation was made. Tianmen Hole is the largest natural Karst cave in the world.It is 131.5 meters high,57 meters wide and 60
Tianmen Hole is another of Zhangjiajie’s scenic wonders. It is an immense hole in Tianmen Mountain carved out entirely by natural forces. So far, no one has been able to explain exactly how this formation was made. Tianmen Hole is the largest natural Karst cave in the world.It is 131.5 meters high, 57 meters wide and 60