Astro Boy, created by Osamu Tezuka in 1963, is considered the first modern anime and helped to popularize the genre both in Japan and around the world.
Kendo, a martial art that uses bamboo swords and protective armor, is a popular sport in Japan and is often taught in schools.
Tokyo is the capital of Japan and the largest city in the world by population, with over 37 million people in the greater Tokyo area.
