BBC Ideas | Thumbs up! Why do we do it? | BBC Ideas @bbcideas | Uploaded 2 years ago | Updated 10 hours ago
Thumbs up can mean different things in different cultures... find out about the story behind the hand gesture that's everywhere.

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If you're curious about why we cross our fingers for luck or make bunny ears, we have a playlist just for you 👉 youtube.com/playlist?list=PLMrFM-P68Wh5L0F6aCnTLLEyxwSo88UsN

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