Revellers partied the night away in Leeds, UK on September 5, 2020. Leeds has been added to Public Health England's coronavirus "watchlist" and could be hit with lockdown measures after a rise in coronavirus cases in the city. (Photo by NB Press LTD/The Sun)

Health workers watch as the vaccine against the Coronavirus arrives at a nursing home in l'Hospitalet de Llobregat in Barcelona, Spain, on Sunday, December 27, 2020. The first shipments of coronavirus vaccines developed by BioNTech and Pfizer have arrived across the European Union, authorities started to vaccinate the most vulnerable people in a coordinated effort on Sunday. (Photo by Emilio Morenatti/AP Photo)

A person takes a photo of the skyline with the Shard building in the center, at sunset, from Greenwich Park in London, Tuesday, November 24, 2020. (Photo by Yui Mok/PA Wire via AP Photo)

Birds sit on the back of a zebra in the Nairobi National Park, near Nairobi, Kenya, November 21, 2018. (Photo by Baz Ratner/Reuters)

Australian performers illuminated with real clocks titled “The Time Minder” attend a media preview of the Night Festival in Singapore on August 23, 2017. Singapore's arts and heritage district will be transformed into Singapore largest outdoor performing arts festival to celebrate its 10th year edition Night Festival from August 24 to 26. (Photo by Roslan Rahman/AFP Photo)

An otter reaches for a snack from a customer at an otter cafe in Tokyo. Asian small-clawed otters are increasingly popular as novelty pets, particularly in Japan. Now international trade in the species may be banned. (Photo by Noriko Hayashi/The New York Times)

Filipino artist Leeroy New poses with a makeshift mask he designed with recycled materials as he adapts to the effects of the coronavirus disease (COVID-19) pandemic in the art industry, in his studio in Quezon City, Metro Manila, Philippines, May 28, 2020. (Photo by Eloisa Lopez/Reuters)

Students run out of their school celebrating their high school graduation at Nacka Gymnasium following the spread of the corona virus disease (COVID-19) in Stockholm, Sweden, June 3, 2020. (Photo by Jessica Gow/TT News Agency via Reuters)