How does a mouse knock on the door ? You will not believe it until you see it with your eyes
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That mice are very intelligent and fast learning animals is not a secret, but I've never seen a mouse that rings the bell to et a door open ...! This cute rodent approaches a closed door, impossible to push with its own strength. But where muscles can't arrive, here come experience: all he needs to do is ring the bells hung beside the door and someone will open it.
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