Protesters run for cover after riot police fired tear gas towards the bridge they were climbing down to the road below, to escape from Hong Kong Polytechnic University campus and from police, in Hung Hom district in Hong Kong on November 18, 2019. Dozens of Hong Kong protesters escaped a besieged university campus on November 18 by lowering themselves on a rope from a footbridge to a highway, AFP video showed. Once on the road they were seen being picked up by waiting motorcyclists. (Photo by Anthony Wallace/AFP Photo)

An member of the group “Pause the System” wears a face mask as she protests in front of the entrance to Downing Street in London, Friday, March 20, 2020. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (Photo by Frank Augstein/AP Photo)

A volunteer tries out a protective suits for health workers, at the International Islamic University Malaysia in Gombak, outskirts of Kuala Lumpur, Malaysia Friday, April 10, 2020. The Malaysian government issued a restricted movement order to the public for the rest of the month to help curb the spread of the new coronavirus. (Photo by Vincent Thian/AP Photo)

Revellers in Leeds, United Kingdom were excited to be out and about again on July 18, 2021. At a minute past midnight, England dropped most of its remaining Covid-19 social restrictions, such as those requiring indoor mask-wearing and limits on group gatherings. These changes come despite rising infections, pitting the country's vaccination programme against the virus's more contagious Delta variant. (Photo by Ioannis Alexopoulos/PA Wire Press Association via Getty Images)

English-French actress and singer-songwriter Charlotte Gainsbourg attends the red carpet of the movie “Sundown” during the 78th Venice International Film Festival on September 05, 2021 in Venice, Italy. (Photo by Ernesto Ruscio/Getty Images)

Costumed children from the local Shade performance group perform their show during the annual Brixton Burn in Johannesburg, South Africa, 28 August 2021. The annual event is run by members of the “Afrikaburn” community which is a regional event of “Burning Man” in the United States. (Photo by Kim Ludbrook/EPA/EFE)

Britney Spears supporter Phoebe Price and her dog Henry take pictures next to a “Free Britney” Christmas tree set by fans outside a hearing concerning the pop singer's conservatorship at the Stanley Mosk Courthouse, Friday, November 12, 2021, in Los Angeles. A Los Angeles judge ended the conservatorship that has controlled Spears' life and money for nearly 14 years. (Photo by Damian Dovarganes/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)