sweden crow cigarette uses crows to pick up butts In a city near Stockholm,

In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online Wild crows trained to pick up cigarette butts in Swedish street cleaning project A Swedish start up, Corvid Cleaning, is recruiting an unlikely workforce, wild crows, to combat urban pollution., The pilot project, launched in partnership with the Keep Sweden Tidy Foundation, Crows 'Paid' to Pick Up Cigarette Litter in Sweden

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