French amusement park „Puy du Fou“ has trained a team of crows to pick up garbage and cigarette-butts. For every piece of trash thrown into a bin, they’ll automatically receive a reward.
French amusement park „Puy du Fou“ has trained a team of crows to pick up garbage and cigarette-butts. For every piece of trash thrown into a bin, they'll automatically receive a reward.
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