Ellen MacRae a student from Edinburgh University take a lateral flow antigen test at a test centre which is also open to students in Edinburgh Napier University, Queen Margaret University and SRUC on December 1, 2020 in Edinburgh, Scotland. The programme is running in partnership between the University of Edinburgh and other Scottish universities, the Scottish Government and NHS Test and Protect, supporting students leaving their term-time accommodation to travel home at the end of term for the winter break. (Photo by Jeff J. Mitchell/Getty Images)

Chinese women dressed in traditional costumes and wearing masks visit a popular shopping street in Wuhan in central China's Hubei province, Saturday, January 23, 2021. A year after it was locked down to contain the spread of coronavirus, the central Chinese city of Wuhan has largely returned to normal, even as China continues to battle outbreaks elsewhere in the country. (Photo by Ng Han Guan/AP Photo)

Street animators wearing fancy costumes take a break on a bench in a park in Stavropol, Russia on March 14, 2021. (Photo by Eduard Korniyenko/Reuters)

People take a photo next to a blooming tree during cherry blossom season in Yuyuantan Park in Beijing, China on March 31, 2021. (Photo by Thomas Peter/Reuters)

Performers dressed as zombies arrive to the pier of the Excelsior Hotel on September 6, 2021 during the 78th Venice Film Festival at Venice Lido. (Photo by Yara Nardi/Reuters)

A performer from the Imperatriz samba school takes part in the first night of Rio's Carnival at the Sambadrome in Rio de Janeiro on March 4, 2019. (Photo by Carl de Souza/AFP Photo)

Navy midshipmen celebrate a Navy touchdown during the second half of an NCAA college football game, Saturday, December 14, 2019, in Philadelphia. Navy won 31-7. (Photo by Jonathan Newton/The Washington Post)

A man wears a gas mask as he holds a bouquet of flowers, following the outbreak of the novel coronavirus on Valentine’s Day in Hong Kong, China on February 14, 2020. (Photo by Tyrone Siu/Reuters)