Introduction to cliff carvings: Hongshi Gorge is famous as a frontier fortress. In the old days, when civil servants, military generals and Confucian scholars came to Yulin, they would hold banquets and sing songs here, leaving more than 160 precious calligraphy works, so it is called It is a rare treasure house of calligraphy art. On its east and west stone walls, the cliff carvings are connected. There are more than 160 inscriptions, inscriptions, steles and tablets inlaid in caves, palace walls and stele stones. The largest characters are about 6 meters, the smaller one is an inch or so, the seal script, official script, regular script, running script and cursive script are complete, the writing is strong and vigorous, the literary talent is flying, each shines with its own splendor, there are also rare Mongolian stone carvings, and the flowers are also gorgeous, which can be called spectacular. Like a natural forest of steles.