4 Facts About Sumo

Here is four random facts about sumo:

1. The sport sumo is many hundred years old. It's a kind of wrestling and it's also Japan's favourite sport.
2. Sumo matches is played inside a raised ring  which is called a "Doyho". 
3. The first wrestler (also called a rikishi, which means "strong man") who goes out of the ring (can also be pushed) or touches the floor with other body parts than his/her feet will loose that round. 
4. A sumo master is called a yokuzuna. If you first achieve this title as a master, it can never be taken from you, but it's expected that you will give up when you start to get rusty.