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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The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
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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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In Japan, it is tradition for husbands to get a monthly allowance from their wives.
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