A woman cartwheels through the Coachella Valley Music and Arts Festival in Indio, California April 10, 2015. (Photo by Lucy Nicholson/Reuters)

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

Taylor Swift attends the 2018 American Music Awards at Microsoft Theater on October 9, 2018 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)

St. Vincent performs at the Coachella Valley Music and Arts Festival in Indio, California, U.S., April 13, 201. (Photo by Mario Anzuoni/Reuters)

A member of the “Avocadoo” club performs a pole dance on a street sign pole in Lodz, central Poland on June 27, 2013. Talk about a traffic stopper: three pole dancers in central Poland have been honing their skills out in the streets, throwing their legs around signposts to the surprise and delight of many a passerby. (Photo by Janek Skarzynski/AFP Photo)

Members of the “Avalon” team wearing 14th century knight costumes fight against each other on the bank of the Yenisei River during the regional amateurs tournament of clubs of historical reconstruction, “The Battle of the Nations 2015. Siberia”, in Krasnoyarsk January 24, 2015. (Photo by Ilya Naymushin/Reuters)

Paramedics care for a woman who is ill after the Geelong Cup on Geelong Cup day at Geelong Racecourse in Melbourne, Australia, 19 October 2016. The Geelong Racing Club was founded in March 1865 at a public meeting at the British Hotel. The first Geelong Cup was held in 1872 over a distance of two miles. (Photo by Tracey Nearmy/EPA)

This photo taken on August 7, 2016 shows mahjong enthusiasts playing mahjong under water in a swimming pool at a diving club in the Chinese city of Chongqing. Only participants with proper diving certification were allowed to take part in the underwater competition. (Photo by AFP Photo/Stringer)