Revellers react after falling in the mud at Worthy Farm in Somerset during the Glastonbury Festival, Britain, June 26, 2016. (Photo by Stoyan Nenov/Reuters)

Revellers celebrate New Year's Day in central Moscow, Russia, January 1, 2016. (Photo by Tatyana Makeyeva/Reuters)

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

Revellers participate in the annual gay pride parade in Amsterdam, Netherlands on August 4, 2018. (Photo by Piroschka van de Wouw/Reuters)

Revellers enjoy during New Year celebrations in Manchester, England on January 1, 2019. (Photo by Mercury Press)

A reveller smiles as she walks in the rain at Worthy Farm in Somerset during the Glastonbury Festival in Britain, June 28, 2015. (Photo by Dylan Martinez/Reuters)

Revellers pose during the Street Parade dance music event in Zurich, Switzerland August 13, 2016. (Photo by Arnd Wiegmann/Reuters)

Revellers chat on Havana's Malecon seafront before performing at a carnival parade, Cuba, August 12, 2016. (Photo by Alexandre Meneghini/Reuters)