Japan has a game show called "Human Tetris" where contestants have to contort their bodies to fit through holes in a moving wall.

Sushi, a dish made with vinegared rice and various fillings such as raw fish or vegetables, is one of the most famous Japanese foods and has become popular around the world.

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