There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
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There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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