Introduction to Tianhe Bridge: There are three bridges connected to the island in the center of the lake. The one connecting the island in the center of the lake and the cultural street is called Hehe Bridge. The covered bridge in the distance is called "Tianhe Bridge", which connects the island in the center of the lake and the center of the lake. The bridge in the small pavilion is called Dihe Bridge, which means "the unity of heaven and man".