The area of sponge city reconstruction demonstration project of Nanning Binhu Square is 26130m², 2660m² municipal square( including 900m² infiltration pavement), 2680m² Nanhu Ring Road, 20790m² grassland, 80% greening, 34% infiltration pavement of hardened ground. Greening landscape of Binhu Square is designed in the idea of golf. By utilizing hills, and the sponge technics of rain garden, infiltration pool, buffer precipitation well, etc., 30mm without rianoff is achieved. Because of the measures of infiltration, attenuation, storage, purification and drainage, the lake waterfront greenbelt is a leisure park with the function of natural storage, natural infiltration and natural purification.
