Introduction to Tiansheng Stone Bridge: Tiansheng Stone Bridge is located in the valley outside Dawangdong. It is a karst peak and valley formed due to changes in the earth's crust and the subsidence and collapse of underground rivers. The overpass is 52 meters high, 64 meters wide and 73 meters deep. It is magnificent and majestic. It is so spectacular that it was named "Tianqiao" by the famous contemporary poet He Jingzhi, and Ai Qing, an old poet who is famous at home and abroad, named the Tianqiao "a wonder of the south of the Yangtze River".