The world's longest traffic jam took place in Beijing, China. It was over 60 miles long and lasted 11 days.
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Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
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In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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