As an important ecological asset in Qinling National Botanical Garden , TianYu River Wetland Park is consistent with sustainable design concepts. Design restores a desolate woodland into a wetland park with extreme low construction cost in applying of integrated design process and dual low-input management in material resources and construction cost. A series of rainwater wetlands and ecological ponds are featured in the Park, and low-frequency maintenance with eco-system natural regeneration return Mountains and Rivers to their natural friendly substances and a perfect place for relaxing.