Introduction to the Tiankeng Gorge ground fissure: The Tiankeng Gorge ground fissure is located in Xinglong District, 91 kilometers away from Fengjie County. It is 37 kilometers long. The narrowest part is only 2 meters, and the height of the canyon reaches 900 meters, forming Looking down from the majestic "Line of Sky", among the mountains and under the dense virgin forest, you can vaguely see a gap shrouded in clouds and mist, which is a mysterious ground gap hundreds of meters deep, covered by karst. Geological experts call it "the rarest karst canyon in the world".
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