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.

Tempura, a dish made with battered and deep-fried seafood or vegetables, is a popular Japanese dish that originated in the 16th century.

Osaka is Japan's third-largest city and a major commercial and industrial hub, with a population of over 19 million people in the greater Osaka area.