In 2010, Shanghai turned a polluted industrial brownfield into Houtan Park; its wetlands now clean up to 634,000 gallons of river water a day
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August 10, 2026
A similar vantage point pre-park construction and a similar vantage point post-park construction (Source: Kongjian Yu) In 2010, Shanghai transformed a polluted industrial brownfield into Houtan Park. Its wetlands now clean up to 634,000 gallons of river…