Introduction to Baogong Embankment: Baogong Embankment was named in commemoration of the magistrate Bao Gong who dredged the lake and built an embankment in the 35th year of Qianlong's reign (1770). The embankment separated the North and South Lakes into two, and from then on there were South Lake and North Lake. , the embankment is 10 meters wide and 500 meters long, connecting Yangshan Mountain to the east and Lushan Mountain to the west, becoming the most iconic landscape belt of the North and South Lakes.