Reveller in costume with a broom jumps during a Zombie Walk event in central Kiev, Ukraine on October 27, 2018, ahead of Halloween celebrations on October 31. (Photo by Anatolii Stepanov/AFP Photo)

A reveller wearing a mask and a period costume takes part in the Venice Carnival on February 24, 2019 in Venice, Italy. The carnival in Venice takes place until March 5, 2019. (Photo by Alberto Pizzoli/AFP Photo)

New Year's Eve revellers from Asia with Australian flags and balloons in the shape of the new year 2020 in Sydney, Australia on December 31, 2019. (Photo by Richard Milnes/Rex Features/Shutterstock)

A reveller performs while attending the block party “Galo da Madrugada” during carnival festivities in Sao Paulo, Brazil on February 25, 2020. (Photo by Rahel Patrasso/Reuters)

Revelers march in the Lower Ninth Ward during a second line parade marking the 10th anniversary of Hurricane Katrina on August 29, 2015 in New Orleans, Louisiana. (Photo by Mario Tama/Getty Images)

Masked revellers pose during the Venice Carnival in Venice, Italy February 11, 2017. The Venice carnival in the historical lagoon city attracts people from around the world. (Photo by Tony Gentile/Reuters)

This combination picture shows some revellers wearing masks while dressed as “Botargas” during carnival celebrations in Almiruete, Spain, February 25, 2017. (Photo by Sergio Perez/Reuters)

A reveller from Uniao da Ilha samba school performs during the second night of the carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 27, 2017. (Photo by Pilar Olivares/Reuters)