The tour trail next to the canyon mountain stream in 90% of Changgu Cave Tian is not open for maintenance. You can't walk along the mountain stream. There is only a teapot at the end. This small area can go down to play in the water. Take pictures. The large-scale underground power station plant is also closed due to the epidemic. It is still closed and not open. Changgu Cave Tian is not open. The scenery is still good, there are not many people, and the parking lot is free. The staff is more enthusiastic, polite, civilized service.