In this Monday, January 18, 2016 photo, Iranian rock climber, Farnaz Esmaeilzadeh, scales a climbing gym in the city of Zanjan, some 330 kilometers (207 miles) west of the capital Tehran, Iran. Esmaeilzadeh, 27, who has been climbing since she was 13, has distinguished herself in international competitions despite the barriers she faces as a female athlete in conservative Iran. (Photo by Ebrahim Noroozi/AP Photo)

Models promote a condom brand at the first Shenzhen s*x Culture Festival on September 21, 2007 in Shenzhen of Guangdong Province, China. The festival aims to increase awareness about reproductive health and popularise s*x education. (Photo by China Photos/Getty Images)

An Israeli soldier of the Caracal battalion smiles during a 23-kilometer march marking the end of their training in Israel's Negev desert, near Kibbutz Sde Boker February 14, 2013. The “Caracal” battalion, two-thirds of whose members are women, was established in 2004 with the purpose of incorporating female soldiers in combat units. The main mission of Caracal is routine patrols on Israel's border with Egypt to intercept infiltrators and smuggling from the Sinai desert. (Photo by Darren Whiteside/Reuters)

Irina, worker of a petrol station, now member of reconnaissance team of pro-Russian rebels' in the town of Makievka, eastern Ukraine, October 6, 2014. Like the men in the conflict, the women come from all walks of life. Some women come to serve with their husbands and boyfriends, others are single. Female fighters on both sides said the men in their units treat them as equals, though sometimes showing more leniency. They have little respect for men who have not taken up arms. On both sides the fighters expect a long conflict, despite the fragile ceasefire now in place. (Photo by Shamil Zhumatov/Reuters)

These illustrations are the work of an artist who has put a sinister spin on iconic animations in order to highlight the disturbing realities of domestic abuse. No Violence Against Women is a project by Italian artist and activist AleXsandro Palombo, 40, who is based in Milan. It forces its audience to confront the plight some women go through under the pretence of a happy relationship or family. (Photo by aleXsandro Palombo)

Astronomer, space scientist and meteorologist Andrea Opitz, senior research associate of the Space Physics and Space Technology Department of Hungarian Academy of Sciences (MTA) Wigner Research Centre for Physics (2R) wears a space suit during a cosmology exhibition in Budapest, Hungary, 03 March 2016. The photo series was created to mark the International Women's Day (IWD), which was marked for the first time in 1911 and is celebrated on 08 March since 1913. (Photo by Bea Kallos/EPA)

Wrestler Kairi Hojo jumps at her opponent Mieko satomura during their Stardom female professional wrestling show at Korakuen Hall in Tokyo, Japan, July 26, 2015. Professional women's wrestling in Japan means body slams, sweat, and garish costumes. But Japanese rules on hierarchy also come into play, with a culture of deference to veteran fighters. The brutal reality of the ring is masked by a strong fantasy element that feeds its popularity with fans, most of them men. (Photo by Thomas Peter/Reuters)

Dancers wear traditional dresses as they perform during women's dance festival in Jogeva, Estonia, June 12, 2016. (Photo by Ints Kalnins/Reuters)