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

Karashi, a type of spicy mustard, is often served as a condiment with Japanese dishes such as sushi and grilled meat.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.