Three pals pose for a picture on a night out in Liverpool city centre, United Kingdom on December 24, 2020. Festive boozers braved the cold in Liverpool and York – as millions down South rang in Christmas Day indoors due to Covid restrictions. (Photo by David Nelson/South West News Service)

A service member of the Ukrainian armed forces is seen at fighting positions on the line of separation from pro-Russian rebels in Donetsk region, Ukraine on April 10, 2021. (Photo by Oleksandr Klymenko/Reuters)

A worker sprays disinfectant as sanitization operations against Coronavirus are carried out in the museum hosted by the Maschio Angioino medieval castle, in Naples, Italy, Tuesday, March 10, 2020. (Photo by Alessandro Pone/LaPresse via AP Photo)

A man designs a face mask with the photograph of a customer printed on it, amid the spread of the coronavirus disease (COVID-19), at a photo studio in Gandhinagar, India, May 27, 2020. (Photo by Amit Dave/Reuters)

A reveller helps a woman prepare her costume after the normal Notting Hill Carnival festivities were cancelled for a second year running, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, August 30, 2021. (Photo by Beresford Hodge/Reuters)

A medical staff member rests next to a patient infected with Covid-19 in the intensive care unit of Lozenets Hospitalin Sofia on November 9, 2021. Bulgaria is among the countries with the highest number of deaths compared to its population. (Photo by Nikolay Doychinov/AFP Photo)

Miss Universe contestant Carmina Olimpia Cotfas of Romania poses dressed in the national costume for Miss Universe Romania 2021, created by Israeli designer Aviad Arik Herman, in the hallway of the Romanian Atheneum, the reputed 19th century built concert hall, in Bucharest, Romania, Monday, November 22, 2021. The 70th Miss Universe pageant is being staged in the southern Israeli resort city of Eilat on December 12. (Photo by Andreea Alexandru/AP Photo)

Over 30 Douglas C-47 Skytrains (Dakotas) making final preparations for flight formation practice before the 75th D-Day Anniversary flight to Normandy in Duxford, England on June 4, 2019. (Photo by UK Air Force Images)