Introduction to Mingshan Cave: Among the cliff carvings in Ruiyan Mountain, the most famous is the four-character list of "Mingshan Cave" left by Emperor Wanli of the Ming Dynasty next to Taohua Cave. It is said that this is also the only cliff carving in the emperor's handwriting among the ten cities in Fuzhou, with a height of 2.5 meters and a width of 2.03 meters.