Participants hold smoke flares as they slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)

Model Irina Shayk wears a creation as part of the Versace men's Spring-Summer 2020 collection, unveiled during the fashion week, in Milan, Italy, Saturday, June 15, 2019. (Photo by Luca Bruno/AP Photo)

Models are seen at the backstage before the runway at The 2nd Skin Co. show during Mercedes Benz Fashion Week Madrid Spring/Summer 2020 at Ifema on July 09, 2019 in Madrid, Spain. (Photo by Pablo Cuadra/Getty Images)

Milan Fashion Week Women SS 2020 – ETRO Spring/Summer 2020 show in Milan, Italy on September 20, 2019. Top model Irina Shayk and other models leaving Etro Fashion Show. (Photo by Pierre Teyssot/Splash News and Pictures)

An Indian student warms up during the 44th Samartha Summer Sports Coaching Camp organized by Shree Samarth Vyayam Mandir in Mumbai, India, 25 April 2018. Mallakhamba arose in the western state of Maharashtra centuries ago. It was originally practiced by wrestlers and soldiers as a strength training exercise. (Photo by Divyakant Solanki/EPA/EFE)

A model presents a creation by designer Richard Rene as part of his Spring/Summer 2019 women's ready-to-wear collection show for Guy Laroche fashion house during Paris Fashion Week in Paris, France, September 26, 2018. (Photo by Stephane Mahe/Reuters)

A beluga whale sprays water towards visitors during a summer attraction at the Hakkeijima Sea Paradise aquarium in Yokohama, suburban Tokyo on July 20, 2015. Tokyo's temperature climbed over 34 degree Celsius on July 20, one day after the end of the rainy season. (Photo by Toshifumi Kitamura/AFP Photo)

An attendee dances at the start of the “Big Goth Dance Party” during the Porcupine Freedom Festival, or PorcFest, the Free State Project's annual summer gathering in Lancaster, NH on Wednesday, June 25, 2014. (Photo by Matthew Cavanaugh/The Washington Post)