Perhaps for Xidi and Hongcun, which have world-class influence in the ancient villages of southern Anhui, the Yanjiagu village here is insignificant, but this is the retreat of the descendants of the royal family. This village and the famous Xidi and Hongcun There are no essential differences between the villages where the descendants of the royal family, such as Guan Yu, are gathered. The Yan family can be traced back to the Han and Tang Dynasties at the peak of China's social and economic development.