Introduction to Chaotianmen: Located in Yuxian on the west side of Zhongtai, it is a group of brick-concrete structures newly built in recent years. It is divided into upper and lower floors. There is a doorway in the middle of the lower floor. Visitors can enter through the door and go up the mountain. There are two doorways. There is a wing room on each side, and the upper floor is a main hall with a corridor. Visitors can rest here before going up the mountain.