In France, crows have been trained to collect cigarette butts and deposit them into a machine that dispenses food as a reward, showcasing a creative method for maintaining urban cleanliness https://t.co/0T9vdrh4DB https://video-ft.twimg.com/ext_tw_video/1826536994253492224/pu/vid/avc1/926x508/m7xPhZX1X00SlRkU.mp4?tag=12