Introduction to Youyou Pavilion: Youyou Pavilion was first built in September of the twelfth year of Qianlong reign of the Qing Dynasty (1747). It was built by Liu Mingfang, a scholar who lived in Nantong in the Qing Dynasty. The name of the pavilion is taken from the words "The mountain is not there" in Liu Yuxi's "Humble Room Inscription" in the Tang Dynasty. If it is high, it will be famous if there are immortals; if the water is not deep, it will be spiritual if it has dragons." After the Youyou Pavilion was built, it attracted literati from all over the world to come here to enjoy the river scenery and recite poems. Among them, a poem titled "You You Pavilion" written by Wang Yikai, a literati from Xuancheng, Anhui Province in the Qing Dynasty, is the most appropriate: "The lonely pavilion hangs over the cliff and looks beautiful. Between the peaks, there is a vast sky as a cover, and the supporting pillars are borrowed from the mountain."