Introduction to Changzui Gorge: is the first canyon in the scenic area, commonly known as "One Line of Sky", also called Heping Gorge, named after the name of the village in front. The gorge is 800 meters long, 20 meters wide, and the two walls are more than 70 meters high. The bottom of the valley is full of strange rocks, with long streams, and the terrain is very dangerous. There are reservoir ruins in the middle of the canyon.