Karate, another martial art that originated in Japan, has also become a popular sport and is practiced by millions of people around the world.
Nagasaki is a historic city on Japan's western coast, and is known for its role in World War II and its beautiful harbor views.
Sailor Moon, created by Naoko Takeuchi in 1991, is a popular anime series that follows the adventures of a teenage girl who transforms into a magical warrior to fight evil.