Police officers arrest a protester during an anti-lockdown march in Liverpool, United Kingdom on November 21, 2020. The StandUpX movement organised a protest under the banner March for Freedom, Save Our City. (Photo by Mercury Press)

A government awareness poster for wearing surgical masks is seen reflected and upside-down in the Dambovita river in Bucharest, Romania, 19 November 2020. The poster, depicting a man wearing a surgical mask, reads: “I WEAR A MASK BECAUSE I KNOW THAT ONLY TOGETHER WE WILL SUCCEED!”. As the number of COVID-19 infections increased, authorities decided that wearing a protective mask should become mandatory at all times in all public places. (Photo by Robert Ghement/EPA/EFE)

People wear face masks while watching the marine life at Ripley's Aquarium of Canada during the COVID-19 pandemic in Toronto, on Wednesday, October 28, 2020. (Photo by Nathan Denette/The Canadian Press via AP Photo)

Commuters by with the buildings of the banking district in background in Frankfurt, Germany, Thursday, February 6, 2020. (Photo by Michael Probst/AP Photo)

A worker wearing a protective mask uses a blower to remove leafs from a walkway during sunny autumn weather near Stallikon, Switzerland on October 27, 2020. (Photo by Arnd Wiegmann/Reuters)

People gather to mourn the death of soccer legend Diego Maradona, outside the Diego Armando Maradona stadium, in Buenos Aires, Argentina on November 25, 2020. Millions of fans paid tribute and Argentina was plunged into mourning on November 25 as Maradona, one of the greatest footballers of all time, died aged 60 after years of drug and alcohol problems. (Photo by Martin Villar/Reuters)

Students of Kiev's Olympic College perform during a rally in front of the Parliament building in Kiev, Ukraine, 15 September 2020. Students were protesting against the reorganization of the college, at risk of being closed, and the land where it rises which could end up for sale along with the facility's stadium. (Photo by Sergey Dolzhenko/EPA/EFE)

A helicopter flies close to a volcanic eruption which has begun in Fagradalsfjall near the capital Reykjavik on March 20, 2021 in Fagradalsfjall, Iceland. On Friday the Icelandic meteorological office announced a volcano, referring to a mountain located south-west of the Capital Reykjavik has erupted after thousands of small earthquakes in the area over the recent weeks. A no-fly zone has been established in the area. (Photo by Vilhelm Gunnarsson/Getty Images)