The largest man-made vertical-flow wetland park in Chengdu, southwest China's Sichuan Province, has opened to the public. The Qilong Reclaimed Water Wetland Park, which covers an area of some 128,000 square meters, features a 2,900-meter walkway, water areas, plants, and facilities for recreation and exercise. Underground, there is space for water purification systems that can purify 85,000 cubic meters of water per day.
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