

Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers wait for their matches during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers react as they apply for having TV interview after their matches, during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
A staff comforts an elementary school sumo wrestlers who cries after losing in his match during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers stretch out as they wait to enter for their competitions during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017. REUTERS/Kim Kyung-Hoon
Elementary school sumo wrestlers wait for their matches during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers compete in the sumo ring during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.
Elementary school sumo wrestlers stretch out as they wait to enter for their competitions during the Wanpaku sumo-wrestling tournament in Tokyo, Japan July 30, 2017.