Introduction to Xianshu Pavilion: Xianshu Pavilion is a double-eaves light blue column, which looks very fresh. According to the inscription next to the pavilion, during the Wanli period of the Ming Dynasty, Chen Zhenlong, a returned overseas Chinese from Fujian, and Jin Xuezeng, governor of Fujian, successfully introduced sweet potatoes from the Philippines and vigorously promoted them, which alleviated the famine in Fuzhou.