Introduction to Xianren Bridge: Xianren Bridge Scenic Area is located in Caobo Township, with a total length of 2180 meters. With Xianren Bridge as the center, it connects Xianren Gorge and Xianren Cliff. There are eight scenic spots including Bo, Tianlong Slope, Tianlong Ridge, Yunzhan Range Rover, and Xianren Cave. The Xianren Bridge scenic spot is a typical karst landform. It is a natural stone bridge formed by a small piece of the roof of the original underground limestone cave that collapsed due to the uplift of the earth's crust. The hole under the stone bridge is more than 60 meters high, and the bridge deck is about 20 meters long. It is narrow at both ends and wide in the middle. The narrowest part is only about 50 cm, and the thinnest part is only 2 meters.