Introduction to Sanfan Cliff: Located behind Maiji Mountain, it is named because the cliff is upright like an inverted three-fold fan. The cliff is divided into left, middle and right parts, stacked front and back, with similar heights, more than 100 meters high. The upper part of the cliff is covered with white bark pine, and the middle and lower parts of the cliff are exposed bedrock, which is reddish brown. There are many eroded caves on the cliff face, shaped like bird's nests, named "Diao". Chaoyu". Here, flowing springs and red cliffs contrast with each other, and pines and cypresses are built with bamboos and emerald green. When Wei Hao was the leader in Longyou in the Eastern Han Dynasty, he built a summer palace here.