The dutch designer Daan Roosegaarde, with a crowdfunding initiative,  has realized the first air-cleaner urban tower.It's high 7 metres, and can purify 3000 cubic meters of air per hour.The collected particulate is embedded in resin and mounted on rings, given to lenders of the crowdfunding initiative.Fantastic: Design + Ecology + Social all together! Designed by Daan RoosegaardePhotos by Daan Roosegaarde

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