BILL­BOARD WITH BRAINS, LIMA

Hong Kong Tatler - - Features -

Peru­vian en­gi­neers have in­vented an in­no­va­tive way to bat­tle Lima’s air pol­lu­tion, the worst in South Amer­ica. Their new air-pu­ri­fy­ing bill­board sucks dirty air in on one side, traps par­ti­cles in a wa­ter tank, and pumps clean air out the other side, do­ing the work of 1,200 trees. It’s strate­gi­cally placed near a large con­struc­tion zone.

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