The oil crisis of the 1970s had a major impact on Japan's economy, leading to increased focus on energy conservation and alternative sources of energy.

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.

Judo, a martial art that emphasizes throws and grappling techniques, was developed in Japan in the late 19th century and has become a popular sport around the world.