Japan has a trend called "forest bathing" where people go into the woods to de-stress and improve their health.

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

Naruto, created by Masashi Kishimoto in 1999, is a popular manga and anime series that follows the adventures of a young ninja as he strives to become the strongest ninja in his village.