The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
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In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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Japan has the most vending machines in the world (5.52 million) which is more than the population of New Zealand.
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Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
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Japan's capital Tokyo means "Eastern Capital".
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In 2012, as phone booths become increasingly obsolete because of mobile phones, a Japanese artist has turned several booths in Osaka into aquariums.
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