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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India's richest person, Mukesh Ambani, built a $1 billion home. It has 27 habitable floors, including six parking floors with a capacity to hold up to 168 cars. 600 staff maintain the home.
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The Simpsons are responsible for popularizing the word 'meh'.
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