Sumo (相撲, sumō) is a competitive contact sport where two wrestlers (rikishi) attempt to force one another out of a circular ring (dohyo) or to touch the ground with anything other than the soles of the feet. The sport originated in Japan, the only country where it is practiced professionally.
Quotation from “Sumo” Wikipedia
Ama vs Goeido - the real SUMO fighting 7
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