Introduction to the stone chamber: The layout may be rectangular or square, the large one is more than 20 square meters, and the small one is only 3-4 square meters; it may be a single room, or 2-3 rooms connected; or it may be parallel suites, or it may have two floors. ; and has a typical "three-bedroom". Among them, there is a stone cave with two floors, equipped with ear rooms and neat columns. It may be a gathering place or a place for worship for the owners of the cave dwellers. It is so spacious and majestic that it is commonly known as "Guantangzi" among the mountain people.