In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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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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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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