sweden crows pick up cigarettes uses to cigarette 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 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 In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. This start up is 'RECRUITING' crows to pick up cigarette butts YouTube Crows 'Paid' to Pick Up Cigarette Litter in Sweden

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