Introduction to Longyin Gorge: Longyin Gorge is more than 4,000 meters deep and consists of two canyons in the shape of a "human". It brings together the essence of waterfalls, springs, streams and pools, including Nuanweng stone, mica stone, maple and willow trees, etc. There are many scenic spots, which typically represent the characteristics of water-friendly canyons in South Taihang.