Introduction to Zhengkai Bridge: There are five bridges on Bianxi Lake, from north to south, Fuxing Bridge, Tokyo Bridge, Jinyao Bridge, Zhengkai Bridge and Jin'an Zha Bridge. Fuxing Bridge and Tokyo Bridge are the bridges that pass through the Lake District on the North Second Ring Road and the North First Ring Road respectively. The Jinyao Bridge adopts the Song-style bridge opening architectural style. Each of the five bridges is a scene, but together they are another scene.