Introduction to Siwu Qingxiao: Siwu Qingxiao is one of the eight scenic spots in Suqian during the Ming and Qing Dynasties. It was named because the dawn came here early in the morning. Ming Dynasty poets Xu Weichao and He Jiuzhou wrote "Siwu Qingxiao" respectively. Recorded in historical data, there is now Siwu Qingxiao Tower for tourists to take a rest.