A leader “Rolli” of a yodel group “Schuppel” runs in the snow in front of a farmstead during the “Silvesterchlausen” in the early morning in Urnaesch in the Swiss canton Appenzell Ausserroden on January 13, 2017. (Photo by Michael Buholzer/AFP Photo)

Chinese artist Kong Ning walks in her costume made of hundreds of orange plastic blowing horns during her art performance raising awareness of the hazardous smog in front of the Drum tower in a historical part of Beijing on a very polluted day December 7, 2015. Kong, whose works include themes related to China's air pollution problem, named her new performance “The Orange Horns Bride Marries the Blue Sky” and presented it dressed in orange, the colour of the second highest pollution alert level issued again in Beijing as hazardous smog blankets the capital. (Photo by Damir Sagolj/Reuters)

The World Bodypainting Festival held from July 4 to 6 at Lake Worthersee in Austria's southern Carinthia province included artists from around the world, drawing visitors to the “Mecca of Bodypainting”, according to the World Bodypainting Association. Photo: World Bodypainting Festival 2014. Photographed July 4th in Poertschach am Woerthersee, Austria July 4, 2014. (Photo by Jan Hetfleisch/Getty Images)

Sjinkie Knegt of Netherlands, left, and Park Se-Yeong of South Korea crash out as they compete in a men's 1500m short track speedskating final at the Iceberg Skating Palace during the 2014 Winter Olympics, Monday, February 10, 2014, in Sochi, Russia. (Photo by Bernat Armangue/AP Photo)

Balinese men throw fire on each other during a sacred ritual called “Mesabatan Api” or a fire fight at a temple in Tuban, Bali, Indonesia, 9 October 2014. October 9, 2014. During the ritual Balinese Hindu men took the blazing coconut husks barehanded, swinging and throwing them each other. Balinese believe that fire can destroy evil, and the ritual is aimed to get rid of the negative forces. (Photo by Made Nagi/EPA)

Miss Brazil Julia Gama reacts after her team won the tug of war event during the Miss World sports competition at the Lee Valley sports complex in north London, November 26, 2014. Contestants from 126 countries are in London to compete in the 2014 Miss World competition. (Photo by Andrew Winning/Reuters)

Players battle for the ball during their match at the swamp soccer China tournament in Beijing, June 26, 2014. The 32 teams from across the country participated in the soccer event to celebrate the 2014 World Cup in Brazil. (Photo by Kim Kyung-Hoon/Reuters)

A Honduras fan cheers for her team before the start of the Group E football match between Honduras and Switzerland at the Amazonia Arena in Manaus during the 2014 FIFA World Cup on June 25, 2014. (Photo by Rodrigo Arangua/AFP Photo)