No one dares to learn. In the stone pavilion on the side of the ancient building Fuling, there is a stone monument called "Yuanbei", the monument is erect and simple and simple. Originally engraved in the Nanyue Hengshan peak in Hunan Province, so called the Yuebei, the original site has disappeared for thousands of years, and was rediscovered in July 2007. It is said that this monument is the monument of the praise of Xia Yu, also known as the "Shun Monument", "Shun Wang Monument", "Da Shu Gong De Monument". It is known as the three treasures of the Chinese nation by the cultural relics protection community.