The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
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The first foreigner to become a samurai was an African slave.
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Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
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