Hegui Tower, also known as Shanjiao Tower, is located in Pushan Village, Meilin Town, Nanjing County. Built in the 10th year of the Yongzheng reign of the Qing Dynasty, it was constructed by Jian Ciping, a public servant, at a total investment of 15,000 taels of silver. Spanning 1,547 square meters, it is the tallest earthen building in Nanjing and a typical example of the numerous square-shaped earthen buildings found in southwestern Fujian.