Revellers enjoy a night out in central Liverpool, northwest England, on December 30, 2020 before hightened Tier 3 restrictions closing hospitality venues, and bars indoor and outdoor socialising between households are imposed in the city amid surging cases of the novel coronavirus. (Photo by Oli Scarff/AFP Photo)

People and security members run away as Kurdish animal rights activists release a bear into the wild after rescuing bears from captivity in people homes, in Dohuk, Iraq on February 11, 2021. (Photo by Ari Jalal/Reuters)

Photo taken on March 30, 2021 shows visitors enjoying pear flowers and orchid in full bloom at Santaishan Forest Park in Suqian, east China's Jiangsu Province. (Photo by Costfoto/Barcroft Media via Getty Images)

Students leave school via a bamboo bridge after the area was hit by floods in Gazipur, Bangladesh on September 12, 2021. (Photo by Harun-Or-Rashid/Eyepix Group/Rex Features/Shutterstock)

ISS Expedition 66 main crew member, actress Yulia Peresild blows a kiss through a bus window as she leaves for the Baikonur Cosmodrome in Kazakhstan on October 5, 2021. The launch of the Soyuz MS-19 mission to be involved in making the feature film “The Challenge” (working title) aboard the International Space Station is scheduled for 5 October 2021 at 11:55 Moscow time from the Baikonur Cosmodrome. (Photo by Sergei Savostyanov/TASS)

General view of the atmosphere at the Halloween celebrating in city centre on October 29, 2021 in Newcastle, United Kingdom. (Photo by Newcastle New Projects)

Chinese American actress Bai Ling arrives at the 58th Golden Horse Awards in Taipei, Taiwan, Saturday, November 27, 2021. Bai is a guest at this year's Golden Horse Awards, one of the Chinese-language film industry's biggest annual events. (Photo by Billy Dai/AP Photo)

Commuters wear protective face masks as they walk through a subway station, in Sao Paulo, Brazil, Wednesday, December 1, 2021, amid the COVID-19 pandemic. Brazil joined the widening circle of countries to report cases of the omicron variant. (Photo by Andre Penner/AP Photo)