Quartz Weekly Obsession

Sumo wrestling

Sumo wrestlers of Nishonoseki clan take part in a joint training session ahead of the May Grand Sumo Tournament in Tokyo May 2, 2015. REUTERS/Toru Hanai – GF10000081142
Sumo wrestlers of Nishonoseki clan take part in a joint training session ahead of the May Grand Sumo Tournament in Tokyo May 2, 2015. REUTERS/Toru Hanai – GF10000081142
Image: Reuters/Toru Hanai
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