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)

Lexi Tonniges (C) and Lauren Grundmann (R), joined by other dancers, perform on a stage during a rally outside a hearing concerning the US singer Britney Spears’ conservatorship at the Stanley Mosk Courthouse in Los Angeles, California, USA, 12 November 2021. (Photo by Caroline Brehman/EPA/EFE)

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)

Glam revellers have proudly shown off their vaccine passports as they glammed up for a night on the town on the first day of fresh Covid restrictions in Newcastle, United Kingdom on December 15, 2021. Brits donning festive gear decided to tear up nightclub dance floors and booze in pubs despite fears over the Omicron variant. (Photo by Newcastle New Projects)

Alligators and an egret stand on the banks of the Bento Gomes river next to the Transpantaneira road at the Pantanal wetlands near Pocone, Mato Grosso state, Brazil, Monday, September 14, 2020. A vast swath of the vital wetlands is burning in Brazil, sweeping across several national parks and obscuring the sun behind dense smoke. (Photo by Andre Penner/AP Photo)

Drinkers leave the bars as police patrol in Soho, in central London on September 24, 2020 as the clock nears 10pm, on the first day of the new earlier closing times for pubs and bars in England and Wales, introduced to combat the spread of the coronavirus. Britain has tightened restrictions to stem a surge of coronavirus cases, ordering pubs to close early and advising people to go back to working from home to prevent a second national lockdown. (Photo by Tolga Akmen/AFP Photo)

An employee of the National Park Service takes a selfie with President Barack Obama, left, in the background meeting with the crowd after a tour of Everglades National Park on Earth Day, Wednesday, April 22, 2015, in Florida. Obama used the visit to warn of the damage that climate change is already inflicting on the nation's environmental treasures. (Photo by Lynne Sladky/AP Photo)

A mine detection rat is given banana as a reward after successfully identifying an inactive mine on July 2, 2015 in Siem Reap, Cambodia. The Cambodian Mine Action Center (CMAC) working with the Belgian NGO APOPO has recently begun testing the feasability of using large mine detection rats from Tanzania to help clear fields of mines and unexploded ordnance in one of the most bombed and mined countries in the world. (Photo by Taylor Weidman/Getty Images)