A Syrian Democratic Forces (SDF) female fighter adjusts a mortar in northern Deir al-Zor province ahead of an offensive against Islamic State militants, Syria February 21, 2017. (Photo by Rodi Said/Reuters)

Women practice yoga at a lotus pond in Tiande Lake on the International Yoga Day on June 21, 2017 in Taizhou, Jiangsu Province of China. (Photo by VCG/VCG via Getty Images)

Members of the Royal Navy respond to a simulated fire in a Vanguard-class submarine control room training facility at Clyde naval base in Faslane, Scotland on January 21, 2016. (Photo by Photograph: Danny Lawson/PA Wire)

A model poses at the Hashe presentation during Fashion Forward Spring/Summer 2017 at the Dubai Design District on October 21, 2016 in Dubai, United Arab Emirates. (Photo by Cedric Ribeiro/Getty Images)

A Ukrainian serviceman fires a 2S7 Pion self-propelled gun during military exercises near the village of Divychky in Kiev region, Ukraine, October 21, 2016. (Photo by Valentyn Ogirenko/Reuters)

Kerry Katona (L) seen attending OK! Magazine's 25th anniversary party at The View from the Shard on March 21, 2018 in London, England. (Photo by Splash News and Pictures)

A participant in the Crazy Races extreme sports game competes in the cross-country obstacle race in Ufa, Russia on September 21, 2015. (Photo by TASS/Barcroft Media)

A Pomeranian dog is seen during an international dog exhibition in Kannot, central Israel May 21, 2016. Some 850 purebred dogs from about 200 mini breeds participated in the exhibition. (Photo by Amir Cohen/Reuters)