Introduction to Hongshi Gorge: Located in the main river channel of Qingfeng Gorge at an altitude of 1,900 meters, there are gentle slopes of green mountains to the right and cliffs to the left. A canyon less than 30 meters wide is formed between the mountains and cliffs, and the situation is dangerous. A thin layer of red lichen grows on the rocks at the bottom of the valley, hence the name Hongshi Gorge.