Sumo wrestlers pray during a ritual ceremony at the start of an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Sumo wrestlers perform a show fight during an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Sumo wrestlers compete during an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Georgian sumo wrestler Gagamaru carries a baby in a sumo ring during an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Sumo wrestlers pray during a ritual ceremony at the start of an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Mongolian-born grand sumo champion Yokozuna Kakuryu and Hakuho, Japanese grand sumo champion Yokozuna Kisenosato, and sumo champion Takayasu clap their hands as they pray during a ritual ceremony at the start of an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Sumo wrestlers and referees wait for the start of an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Young sumo referees wait for the start of an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





A sumo wrestler grabs salt before competing during an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)





Sumo wrestlers take part in a Shinto ritual before the start of an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)