Meghan Umphres Leatherman, 9 nine months pregnant and dilated to 1cm seen lifting a heavy weight at her home town gym in Phoenix, Arizona. (Photo by Dave Cruz/Barcroft Media)

People play Taiji on a square on August 08, 2011 in Luoyang, Henan Province of China. People all over China mark National Fitness Day on Monday in their own ways. (Photo by ChinaFotoPress/Getty Images)

An Israeli teenager crawls through mud as he participates in an annual combat fitness training competition, as part of his preparations ahead of his compulsory army service, near Kibbutz Yakum, central Israel February 19, 2016. (Photo by Baz Ratner/Reuters)

Participants prepare backstage during Belarus bodybuilding and fitness championship in Minsk April 25, 2015. (Photo by Vasily Fedosenko/Reuters)

A participant has her body painted before a local bodybuilding and fitness championship in the Siberian city of Krasnoyarsk, Russia, March 5, 2016. (Photo by Ilya Naymushin/Reuters)

The Bajau people of Malaysia live their lives completely at sea, living in wooden huts and spending their days fishing. Sailing over crystal clear waters, the Bajau people of Malaysia live their lives almost entirely at sea. Photographer Ng Choo Kia joined the Bajau people on their pirogues, which are long narrow canoes made from single tree trunks, and documented their daily life in a series of pictures. (Photo by Ng Choo Kia/Hotspot Media/SIPA Press)

Actors from the Israeli theatre group Orto-Da perform during their show titled “Stones”, at a theatre in Tel Aviv March 10, 2015. Inspired by Nathan Rapoport's Warsaw Ghetto Uprising Monument, the play tells a story from the point of view of the sculptures in the monument. (Photo by Amir Cohen/Reuters)