translation.en: The playground is constructed using recycled tires and also is coupled with a constructed wetland that not only cleans the water of the river but also retains it when floods occur.
translation.zh: 游乐场的地面用到了回收的废旧轮胎 并和我们建造的湿地有机融合在一起。 这片湿地不仅可以净化河水，还可以延缓洪水的泛滥。