Sanliqiao has the largest number of snack vendors during the day. During the day, there is not much traffic in Sanliqiao, and only the places where Sanliqiao snack vendors gather have the most traffic. Lisan Bridge is located outside the north gate of Songling Town, Wujiang District, Suzhou City. It was built in the first year of Thai (1324) and rebuilt in the eleventh year of Guangxu in Qing Dynasty (1885). The total length of the bridge is 54.5m, the deck width is 4.53m, the height is 8.15m, and the span is 165438.