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.
Japan has a game show called "Human Tetris" where contestants have to contort their bodies to fit through holes in a moving wall.
The bullet train (Shinkansen), which began operation in 1964, was the first high-speed train system in the world and is still one of the fastest.