Hiroshima is a historic city on Japan's western coast, and is known for its Peace Memorial Park and Museum, dedicated to the victims of the atomic bombing.
In Japan, there is a game show where contestants have to eat a meal while being interviewed by comedians who are trying to make them laugh.
The Tokyo Marathon, first held in 2007, has become one of the most popular marathons in the world, with over 30,000 runners participating each year.