We investigate how rikishi perceive the sumo ring, a circle 4.55 meters across. Along the way we highlight the work that goes into constructing it and how rikishi grip the clay with their toes.

The dohyo welcomes a new Yokozuna, and says goodbye to another. Shibuya Aki and Raja Pradhan look at what Hoshoryu will bring ...

In Grand – Sumo, women are not even allowed to step inside the dohyo, or holy ring. Twenty-year-old Rio Hasegawa lives and practices Sumo in Tokyo. One day she wants to become World Champion.

You're squatting in the dohyo sumo ring staring down a younger opponent, who is seconds from hurtling his body resembling a mountain into yours. You're 50 years old, by the way. Welcome to the ...

Hakuho performed the yokozuna “dohyo-iri,” ring entrance ceremony that is said to purify the land in front of disaster victims. Hakuho also learned that a dohyo in Yamada, Iwate Prefecture ...