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.
Sumo wrestling is a popular traditional sport in Japan, with tournaments held six times a year.
During the Edo period, which lasted from the 17th to the mid-19th century, Japan was ruled by the Tokugawa shogunate and experienced a period of peace and stability.
