Revellers take part in New Year's Eve celebrations in Kyiv, Ukraine on December 31, 2020. (Photo by Valentyn Ogirenko/Reuters)

Revellers dance at a rave party in central Kyiv, Ukraine on August 27, 2022. (Photo by Vladyslav Musiienko/Reuters)

Paint-splattered revellers take a break at the Notting Hill carnival in West London in the last decade of August 2022. (Photo by Andy Hall/The Observer)

A dog takes a dip in the river Elbe on February 6, 2012 in Hamburg, Germany.The current cold front that has claimed over 200 lives in eastern Europe makes its way west. (Photo by Stuart Franklin/Getty Images)

Revellers take part in the the 70th Annual Columbus Day Parade in New York, October 13, 2014. (Photo by Eduardo Munoz/Reuters)

A masked reveller hangs from an inflatable balloon during the first day of the carnival in Venice, Italy, January 23, 2016. (Photo by Manuel Silvestri/Reuters)

Revellers parade for Gavioes da Fiel samba school during carnival in Sao Paulo, Brazil, February 6, 2016. (Photo by Paulo Whitaker/Reuters)

Revellers take a break during the Carnival 2016 parade in Port-au-Prince, Haiti, February 8, 2016. (Photo by Andres Martinez Casares/Reuters)