Introduction to Shehe Estuary: The Shehe Estuary Wetland starts from Baijiadian Ridge in the west, along the Fujin Line via Taigou Bridge to Tongshi Ridge on the Tailine Line. The total length of the highway loop is about 3 kilometers, with a total area of ​​about 6 square kilometers, of which the water area is about 1.2 square kilometers and the land area is about 4.8 square kilometers.