Introduction to water wells: The water wells on both sides of Ziyang Street are a major feature of the Ziyang Street historic site. There are many ancient wells, some of which were built in the Ming and Qing Dynasties and have gone through two or three hundred years of vicissitudes, and some were built in the Republic of China. Each ancient well has the characteristics of Jiangnan water towns. The depth of the wells varies, generally more than 3 meters, and the water tastes good. Sweet, clear water color, warm in winter and cool in summer, it has nurtured generations of people. The ancient well on this street serves the dual functions of providing water for people's daily life and fire prevention.