In Ice Age, the drawings of characters during the end credit roll - and Sid's drawing of himself on a wall - were all done by the children of the animators.
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There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
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The Prince Charle Cinema in London has volunteer "ninjas" that hush obnoxious moviegoers.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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