sweden crowns cigarettes Crown These birds are being recruited

These birds are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive., The crows carry out the task as they receive some Crowns Red 100 Box Cigarettes, 20 ct., 10 pk. Crowns Gold Box Keller's Beer, Selinsgrove, PA, Selinsgrove, PA The Swedish startup Corvid Cleaning trains crows to help keep streets clean. The birds collect cigarette butts and other small litter in exchange for food rewards. According to the startup, this system

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