Quancheng Park Ecological Trestle Bridge: The total length is 820 meters, the average width is2.7 meters, the main body is steel structure, the west starts the Yuxiuhe Square in the southwest corner of the Botanical Garden, and the ecological square in the east to the southeast corner. The spatial pattern is in the shape of "S", and the wind passes through the southern half of the Botanical Garden. The theme given by the ecological trestle is to connect the attractions, facilities and water systems in the southern district of the park, supplement and improve the original walking system, expand the layout of the space landscape, and play the effect of moving the scene, that is, saving ground space, and retaining the original green area and garden landscape. Make the city ecologically better.