The Chavo del Ocho balloon makes its way along the streets during an annual Christmas parade at Santiago town in Chile, December 13, 2015. (Photo by Pablo Sanhueza/Reuters)
Swimmers prepare to take part in the annual Christmas Day Peter Pan Cup handicap race in the Serpentine River, in Hyde Park, London, December 25, 2015. (Photo by Andrew Winning/Reuters)
Allie Labutis wears a painted “Merica” on her thigh during the fifth annual Made in America Music Festival in Philadelphia, Pennsylvania September 3, 2016. (Photo by Mark Makela/Reuters)
Participants lay down on a street covered by coloured powder during the annual Bangkok Color Run in Bangkok, Thailand April 1, 2017. (Photo by Athit Perawongmetha/Reuters)
A general view of atmosphere at the annual VOLT Festival in Sopron, 208 kms west of Budapest, Hungary on June 30, 2017. (Photo by Sandor Csudai/Rockstar Photographers)
Hundreds of hardy swimmers across Britain braved jumping into freezing cold waters for a annual Christmas Day dip on December 25, 2017. (Photo by Dave Nelson/The Sun)
Recording artist Bebe Rexha, white rose detail, attends the 60th Annual GRAMMY Awards at Madison Square Garden on January 28, 2018 in New York City. (Photo by Kevin Mazur/Getty Images for NARAS)
Czech model Petra Nemcova attends Fashion For Relief during the 71st annual Cannes Film Festival at Hangar 16 Airport of Cannes Mandelieu in Cannes, France, 13 May 2018. (Photo by Arnold Jerocki/EPA/EFE)