Introduction to Qingjiangpu: Qingjiangpu Tower was built in the seventh year of Yongzheng in the Qing Dynasty (1729). It is two stories high, with green bricks and gray tiles, and is square. The lower floor passes through the hall, with a door width of 2.4 meters and a height of 2.1 meters. Each door lintel is inlaid with a stone plaque. This building is now used as the Huaian City Canal Couplet Hall, which is another ideal place to display canal culture.