A man splashes himself with cold water during the annual cold water endurance ceremony, to purify his soul and wish for good fortune in the new year, at the Kanda Myojin shrine in Tokyo, Japan, January 18, 2020. The ceremony is now undertaken by people of all ages who pour ice-cold water over themselves in pool of water and ice blocks to purify themselves to traditional Japanese music. REUTERS/Kim Kyung-Hoon

Men splash themselves with cold water during the annual cold water endurance ceremony, to purify their souls and wish for good fortune in the new year, at the Kanda Myojin shrine in Tokyo, Japan, January 18, 2020. REUTERS/Kim Kyung-Hoon

Women splash themselves with cold water during the annual cold water endurance ceremony, to purify their souls and wish for good fortune in the new year, at the Kanda Myojin shrine in Tokyo, Japan, January 18, 2020. REUTERS/Kim Kyung-Hoon

Men splash themselves with cold water during the annual cold water endurance ceremony, to purify their souls and wish for good fortune in the new year, at the Kanda Myojin shrine in Tokyo, Japan, January 18, 2020. REUTERS/Kim Kyung-Hoon

Men splash themselves with cold water during the annual cold water endurance ceremony, to purify their souls and wish for good fortune in the new year, at the Kanda Myojin shrine in Tokyo, Japan, January 18, 2020. REUTERS/Kim Kyung-Hoon

Men splash themselves with cold water during the annual cold water endurance ceremony, to purify their souls and wish for good fortune in the new year, at the Kanda Myojin shrine in Tokyo, Japan, January 18, 2020. REUTERS/Kim Kyung-Hoon