sweden crows pick up cigarettes Swedish Company Trains to Cigarette Butts Sweden deploys 'easy to teach'

Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online 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 In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up cigarette butts, one of the most common types of litter, a Sweden uses crows to pick up cigarette butts

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