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.
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.