Kendo, a martial art that uses bamboo swords and protective armor, is a popular sport in Japan and is often taught in schools.
The Allied occupation of Japan following World War II brought about major political and social changes, including the drafting of a new constitution and the abolition of the samurai class.
Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.
