In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
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In 1943, a Pan Am Airline chef snuck whiskey into passengers' coffee to warm them up on a winter flight. When asked what kind of coffee they were being served, he improvised "Irish Coffee," creating the now-famous cocktail.
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After Germany surrendered in WW2, people in Moscow partied until the entire city actually ran out of vodka.
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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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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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