Group leader Jane Waithageni Kimaru, 60 years old, shows women how to fight off a potential rapist and escape, during a Taekwondo self-defense class for women in the Korogocho slum of Nairobi, Kenya, Thursday, September 16, 2021. (Photo by Brian Inganga/AP Photo)

Freshmen take part in a military training at Chongqing City Vocational College on September 23, 2021 in Chongqing, China. (Photo by Chen Shichuan/VCG via Getty Images)

Director George Clooney reacts as he and his wife lawyer Amal Clooney arrive for a screening of the film “The Tender Bar” as part of the BFI London Film Festival, in London, Britain, October 10, 2021. (Photo by Henry Nicholls/Reuters)

Kayla DiCello of the U.S. in action during the Women's All-Around Final at the World Artistic Gymnastics Championships in Kitakyushu, Japan, October 21, 2021. (Photo by Kim Kyung-Hoon/Reuters)

A cheerleaders team member wearing a pseudo anti-coronavirus face mask performs during the St. Petersburg Open ATP tennis tournament match in St.Petersburg, Russia, Wednesday, October 27, 2021. (Photo by Dmitry Lovetsky/AP Photo)

An actor holds a fake baby while waiting for the Wintershall Nativity play dress rehearsal to begin at Wintersall Estate on December 12, 2021 in Guildford, England. The Nativity play, which tells the story of the birth of Jesus Christ, has been performed annually since 1990 over the Christmas period by the Wintershall players. (Photo by Hollie Adams/Getty Images)

Residents of the Huachipa populous district, east of Lima, are helped on March 17, 2017, by police and firemen rescue teams to cross over flash floods hitting their neighbourhood and isolating its residents. The climatic phenomenon El Niño is causing muddy rivers overflows on the entire Peruvian coast, isolating hundreds of people, mostly residents of Lima's industrial belt neighbourhoods. (Photo by Cris Bouroncle/AFP Photo)

A US Army M1A2 SEP tank participates in the Strong Europe Tank Challenge 2017 at the military training area in Grafenwoehr, Germany, 12 May 2017. Six North Atlantic Treaty Organization (NATO) nations and partner nations, Austria, France, Germany, Poland, Ukraine and the USA are taking part in this competing exercise. (Photo by Christian Bruna/EPA)