Introduction to Black Dragon Bridge: Black Dragon Bridge is the most downstream Tiansheng Bridge in the Yangshui River Gorge. It is named after its arched cave, which is deep and dark, as if there is a black dragon winding on the top of the cave. The bridge deck is 223m high and the average arch hole height is 116m, making it the tallest among the three bridges; the bridge thickness is 107m; the arch hole span is 16-49m; the bridge deck width is 193m, which is also the widest among the three bridges.

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