Climate change activists dressed up as black birds protest in St. Ives, on the sidelines of the G7 summit in Cornwall, Britain, June 11, 2021. (Photo by Dylan Martinez/Reuters)

Hikers, left, Sarah Done 24 and Catherine Edwards enjoy a climb up Box Hill during Storm Evert in Surrey in South East England on July 30, 2021. Storm Evert is the UK's fourth named storm since October 2020. (Photo by London News Pictures)

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)

Freshers partied on the streets as they headed to clubs on September 23, 2021 in Leeds, United Kingdom. Crowds of freshers headed out with their new pals to party until the early hours as Freshers Week continues across the country. (Photo by Nb press ltd)

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)

A model poses in front of phone boxes for a photographer in London, United Kingdom on Friday, October 1, 2021. (Photo by Frank Augstein/AP Photo)

Dancers from Malaysia's pavilion perform wearing face shields due to the coronavirus at Expo 2020, in Dubai, United Arab Emirates, Sunday, October 3, 2021. (Photo by Jon Gambrell/AP Photo)

A woman wearing in face mask to curb the spread of COVID-19 passes street's cafe in Kyiv, Ukraine, Friday, October 22, 2021. Coronavirus infections and deaths in Ukraine have surged to all-time highs amid a laggard pace of vaccination, which is one of the lowest in Europe. (Photo by Efrem Lukatsky/AP Photo)