In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
108
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
In 2012, as phone booths become increasingly obsolete because of mobile phones, a Japanese artist has turned several booths in Osaka into aquariums.
7
The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
In Japan, slurping loudly while eating noodles shows that the food is delicious. It's actually considered rude not to slurp!
26
The first foreigner to become a samurai was an African slave.
26