Introduction to Zhang Zeduan Memorial Hall: Zhang Zeduan Memorial Hall is built in the west of Hongqiao Square. He is the author of "Along the River During the Qingming Festival". "Along the River During the Qingming Festival" is 525 cm long and 25.5 cm high. It provides a detailed and vivid depiction of urban life in the late Northern Song Dynasty. It shows the lives of people from all walks of life at that time in a broad and detailed manner. and dynamics, including economic conditions, urban-rural relations, folk customs, etc. It provides us with image historical materials for studying the political, economic, cultural and scientific and technological conditions of the Song Dynasty.