Cynthia the Kodiak Bear enjoys a whole Tasmanian Atlantic Salmon to celebrate her 28th birthday at Taronga Zoo on January 17, 2005 in Sydney, Australia. (Photo by Matt King/Getty Images)

A Belgian shrimp fisherman rides a carthorse to haul a net out in the sea to catch shrimps during low tide at the coastal town of Oostduinkerke, Belgium July 3, 2015. At the end of each fishing session, the fishermen and their mounts leave the water to empty the net's contents into two wicker baskets fixed on each side of the horse. This traditional method of catching shrimps along the North Sea coast, which dates back to some 500 years, attracts tourists every summer. In 2013, Unesco recognized shrimp fishing on horseback as an intangible cultural heritage. (Photo by Yves Herman/Reuters)

These images of young children training were taken at a gymnastics summer camp in Bozhou, Anhui province, China on July 28, 2015. Children with promise are selected to attend, and their families hope training will not only benefit their children physically but also increase ‘willpower’, according to China News Service. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

A student of the "Escola de Papai Noel do Brasil" (Brazil's school of Santa Claus) wears his hat before lessons in Rio de Janeiro, Brazil, October 27, 2015. The school, which was founded since 1993, prepare men to represent Santa Claus during the Christmas season. Lessons include singing, physical activity, how to dress and how to care for their beard. (Photo by Pilar Olivares/Reuters)

Fishermen prepare fish from their vessels on the shores of the Gulf of Aden in the city of Bosasso, northern Somalia's breakaway Puntland region December 17, 2016. (Photo by Feisal Omar/Reuters)

A girl looks at other children practicing on a boxing ring during an exercise session at a boxing school, in the Mare favela of Rio de Janeiro, Brazil, June 2, 2016. For many young residents the Luta Pela Paz (Fight For Peace) academy offers a glimpse of an alternative: a chance to build discipline and self-esteem through boxing and martial arts. (Photo by Nacho Doce/Reuters)

Children attend a swim training session at Hangzhou Chen Jinglun Sport school Natatorium, where Chinese Olympic swimmer Sun Yang and Fu Yuanhui also trained, in Hangzhou, Zhejiang province, China, August 10, 2016. (Photo by Aly Song/Reuters)

Women practice swimming with mermaid tails at AquaMermaid swimming school, a mermaid training school in Chicago, United States on March 19, 2017. Participants are fulfilling their lifelong ambitions of becoming mermaids with a new type of fitness mermaid swimming. (Photo by Bilgin S. Amaz/Anadolu Agency/Getty Images)