Water is seen discharged over the traditional farm houses at Shirakawa-go, the UNESCO World Heritage site on November 9, 2014 in Shirakawa, Japan. This annual drill is held to prevent fire. (Photo by Kaz Photography/Getty Images)

Japan's delegation gather to sign the formal surrender document on the U.S. Navy battleship USS Missouri in Tokyo Bay in a September 2, 1945 file photo. (Photo by Reuters/US Navy)

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)

A model presents a creation of YUKIHERO PRO-WRESTLING by designer Yukihiro Teshima from his Autumn/Winter 2018 collection during Fashion Week Tokyo in Tokyo, Japan March 20, 2018. (Photo by Issei Kato/Reuters)

A female tourist wears a protective face mask on the street, following an outbreak of the coronavirus disease (COVID-19), in Tokyo, Japan on March 10, 2020. (Photo by Hannibal Hanschke/Reuters)

Japanese macaques are relaxed in an outdoor hot spring bath at Hakodate Tropical Botanical Garden on December 1, 2016 in Hakodate, Hokkaido, Japan. The garden offers the hot spring treatment to macaques until May next year. (Photo by The Asahi Shimbun via Getty Images)

An abandoned motorboat is seen on the bank of a bay near Krabozavodskoye settlement on the Island of Shikotan, one of four islands known as the Southern Kuriles in Russia and the Northern Territories in Japan, December 19, 2016. (Photo by Yuri Maltsev/Reuters)

People wearing loin cloths pray after they bathe in ice-cold water outside the Teppozu Inari shrine in Tokyo, Japan, January 8, 2017. (Photo by Toru Hanai/Reuters)