Introduction to Shuangqiao Lingbo: One of the ten scenic spots in Wanpingkou: South of the Performing Arts Square, the two-day-long dam extending to the sea is the Rizhao "Trestle Bridge". People in Rizhao call it "Koumen", that is, The "Wanpingkou Gate" has three major functions: sand blocking, wave prevention, and water containment. The southern one is 450 meters long and is a sand blocking dam; the northern one is 350 meters long and is a wave prevention dam. The water between the two bridges is also the only channel connecting the World Sailing Race base and the competition venue. In order to facilitate tourists' sightseeing, a ferry has been opened here. Tourists can take the ferry directly to the other side.