Introduction to Yushu Tower: Yushu Tower is located at the southernmost end of the academy building complex. It was built in the 56th year of Emperor Kangxi of the Qing Dynasty (1717). The plaque "Poor Li Ju Jing" hanging on the door and the couplets on the left and right pillars are all inscribed by Emperor Kangxi. The steps along the corridor are paved with bluestone, and there are green trees in the front yard and back.