The airbag, which was co-invented by Yasuzaburo Kobori and Allen K. Breed in the 1980s, has become a standard safety feature in automobiles worldwide.

The Japanese serow is a goat-antelope native to Japan's mountainous regions, and is considered a national treasure in Japan.

The Tokyo Marathon, first held in 2007, has become one of the most popular marathons in the world, with over 30,000 runners participating each year.