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.
Kawasaki is a major industrial city located between Tokyo and Yokohama, and is known for its heavy machinery and technology industries.
Natto, a fermented soybean dish that is known for its strong odor and slimy texture, is a popular Japanese food that is often eaten for breakfast.
