Karate, another martial art that originated in Japan, has also become a popular sport and is practiced by millions of people around the world.

Kumamoto is a city located on the island of Kyushu, and is known for its historic castle and beautiful gardens.

One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.