Yoga instructor Sarah Henry leads a class during a paddleboard yoga session at Adventure Sports Miami on July 10, 2011 in Miami, Florida. The paddle board is said to give the body's core more of a workout then in a gym since the platform is unstable and one must use the muscles to remain balanced on the board. (Photo by Joe Raedle/Getty Images)

An young exhibitor chases his wayward pig during the Great Yorkshire Show on July 12, 2011 in Harrogate, England. The annual Great Yorkshire Show has attracted a record number of 12,700 livestock entries over the three day event. The show now in its 153rd year is Britain's leading agricultural gathering, where over 125,000 visitors come to celebrate the farming community and their way of life. (Photo by Christopher Furlong/Getty Images)

Leslie Cliff and his wife Violet, English figure skating pair. Olympic games of Garmisch-Partenkirchen (Germany), 1936. (Photo by Roger Viollet Collection/Getty Images)

A zoo worker feeds milk to tiger cubs born on the first day of the Lunar New Year and Year of the Rooster at Sriracha Tiger Zoo in Chonburi province, Thailand, January 30, 2017. (Photo by Athit Perawongmetha/Reuters)

Ten finalists capture the theme of “through young eyes” in this young photographers’ competition that aims to engage youth around the world in wildlife conservation. Here: Heavy bodied jumping spider by Md Rashuidul Rabby, age 23, from Bangladesh. (Photo by Md Rashuidul Rabby/WWD2017)

A motorcycle-taxi driver takes a nap while leaning on his bike along a street in Bangkok, Thailand on February 17, 2019. (Photo by Jewel Samad/AFP Photo)

Christmas party goers seen on December 14, 2018 in Liverpool, United Kingdom. Revellers hit the bars as they partied hard on the second-to-last Friday before Christmas. (Photo by Mercury Press)

A member of a Chinese opera troupe applies make-up before performing at a shrine during the annual vegetarian festival in Bangkok, Thailand, on October 4, 2016. (Photo by Athit Perawongmetha/Reuters)