A pedestrian wearing a face mask to protect against coronavirus, walks in front of a mural, at a metro station in Athens, Greece, Monday, November 15, 2021. Authorities say the rate of death related to COVID-19 in Greece has reached its highest level in six months as roughly one-third of the country's population remains unvaccinated. (Photo by Thanassis Stavrakis/AP Photo)

A member of the public wears a pandemic face mask ahead of the prime minister announcing the government's Covid-19 winter strategy on September 13, 2021 in Manchester, England. Tomorrow, British Prime Minister Boris Johnson will set out his plan to manage Covid-19 through the winter, including what actions would need to be taken if the NHS hospital system were at risk of being overwhelmed. (Photo by Christopher Furlong/Getty Images)

People cool off in Crown Fountain in Millennium Park on August 12, 2021 in Chicago, Illinois. As temperatures climb across the nation, nearly 200 million Americans are under some level of heat advisory. (Photo by Scott Olson/Getty Images)

A murales showing a Swiss guard kissing a colleague, by street artist Laika, is seen on the day of the annual Pride march, in Rome, Saturday, June 26, 2021. This year's march comes amid widespread concern in Europe about legislation in Hungary that will ban showing content about LGBT issues to children and a controversial Vatican communication to Italy, criticizing a law that would extend additional protections from discrimination to the LGBT community. (Photo by Gregorio Borgia/AP Photo)

Artist Ali Khalifa, center, draws graffiti at his old Kadhimiya district of Baghdad that needed municipal services, Iraq, Wednesday, June 2, 2021. (Photo by Hadi Mizban/AP Photo)

A man rides a bicycle by a graffiti under the “Old Sava bridge” over Sava river in Belgrade, Serbia, Wednesday, May 19, 2021. (Photo by Darko Vojinovic/AP Photo)

A man walks past a mural depicting US actors John Travolta and Samuel L. Jackson holding thermometers instead of guns amid the Covid-19 pandemic, in Tel Aviv on March 1, 2021. (Photo by Emmanuel Dunand/AFP Photo)

A woman walks past a mural on a wall along a street in Singapore on February 17, 2021. (Photo by Roslan Rahman/AFP Photo)