Introduction to Dingguangmen: Dingguangmen was built in the 17th year of Shunzhi in the Qing Dynasty (1660) when Ban Yingshou, the deputy general of the army, expanded Qingyan City. During the Xianfeng period, Qingyan Regiment Affairs Premier Zhao Guoshu (Zhao Zhuangyuan) When his father) comprehensively renovated Qingyan City, he added city gates and towers. Nowadays, the government has earmarked special funds and raised funds for reconstruction, and it has been basically restored to its original appearance. It has been used as a filming location for many movies and TV series.