The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
7
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Japanese schools do not have proms.
-21
Japan has the most vending machines in the world (5.52 million) which is more than the population of New Zealand.
7