Five key facts about Sumo, a sport like no other

Sumos wrestle wearing mawashis, or belts [COURTESY]

The quintessentially Japanese sport of sumo stops the country during the six big tournaments per year, with millions glued to the live-action on TV.

Here are five key facts about the roly-poly sport which dates back centuries, has links to the Shinto religion and plays a central role in Japanese culture.