Introduction to the North Gate: Kongcheng Old Street has a history of more than 1,800 years. During the Ming and Qing Dynasties, it became increasingly prosperous as an important water transport terminal connecting the Chaohu area and the Yangtze River area. During the Taiping Heavenly Kingdom, Kongcheng was destroyed, but it was restored soon. , the existing old street was built after the Taiping Heavenly Kingdom.