China’s ‘sponge cities’ aim to re-use 70% of rainwater. https://ift.tt/eA8V8J https://ift.tt/2JyeyDI https://ift.tt/2JyeyDI https://ift.tt/2Aa4Nr2

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Submitted September 10, 2019 at 07:43PM by thatsocrates https://ift.tt/2Aa4Nr2 thatsocrates