A man holds an ice brick after praying in ice-cold water in a ceremony to purify his soul and wish for good health in the new year at the Teppozu Inari shrine in Tokyo, Japan, January 12, 2020. Over a hundred people bravely took turns and stepped into an ice bath on the cold morning of Sunday (January 12) at Tokyo's shrine to purify their souls and wish for good health for the new year. REUTERS/Kim Kyung-Hoon

People pray after bathing in ice-cold water in a ceremony to to purify their souls and wish for good health in the new year at the Teppozu Inari shrine in Tokyo, Japan, January 12, 2020. The mostly male participants wore traditional loincloth while a handful of women wore thin white gowns to join the annual Shinto ritual at Teppou-zu Inari Shrine. REUTERS/Kim Kyung-Hoon

People wearing loin cloths prepare to pray in ice-cold water in a ceremony to purify their souls and wish for good health in the new year at the Teppozu Inari shrine in Tokyo, Japan, January 12, 2020. After some physical warming-up and chanting, the 108 participants immersed themselves into a tub filled with cold water and large ice blocks as media and audience watched by the side. REUTERS/Kim Kyung-Hoon

People pray as they bathe in ice-cold water in a ceremony to to purify their souls and wish for good health in the new year at the Teppozu Inari shrine in Tokyo, Japan, January 12, 2020. The Shinto ritual, in its 65th year this time, was held under cloudy skies with the temperature nearing 8 degree Celsius (46.4 F). REUTERS/Kim Kyung-Hoon

Men hold an ice brick after praying in ice-cold water in a ceremony to purify their souls and wish for good health in the new year at the Teppozu Inari shrine in Tokyo, Japan, January 12, 2020. REUTERS/Kim Kyung-Hoon

People wearing loin cloths pray as they bathe in ice-cold water in a ceremony to to purify their souls and wish for good health in the new year at the Teppozu Inari shrine in Tokyo, Japan, January 12, 2020. REUTERS/Kim Kyung-Hoon