Introduction to the Shimen Hanging Coffin: There is a canyon 70 kilometers west of Ningwu County. There is a secluded alleyway deep in the canyon. The entrance is stone wall like a door, and the trees in the alley are lush. This is the mysterious Shimen. Hanging coffin scenic spot. Looking around at the stone wall inside the stone gate, you can see that it is not a towering rock, but only 10 to 20 meters high. It is steep and smooth up and down. The top of the wall is covered with green trees and shrubs. There are wooden coffins hanging on the stone wall, some of which are embedded in caves. Some are exposed outside the stone wall, supported by wooden piles, and hung with iron chains. There are either one coffin hanging alone or two coffins side by side. The heights from the ground are different, but they can all be seen very clearly. There are as many as 11 objects. In addition, there are scattered hanging coffins scattered on the mountain walls around the stone gate.