A woman wears a flower crown during a Summer Solstice celebration on June 21, 2021 in Krakow, Poland. The summer solstice represents the longest day of the year, with the most hours of sunlight, and is celebrated by various cultures worldwide. (Photo by Omar Marques/Getty Images)

Cheerleaders from the “All Japan Cheer Organization” perform in protective masks due to COVID-19, to cheer people up in front of Shimbashi Station, one day before the start of the Tokyo 2020 Olympics in Tokyo, Japan on July 22, 2021. (Photo by Androniki Christodoulou/Reuters)

A girl wearing a mask to help curb the spread of the corona virus runs through a fountain in Beijing, China, Thursday, August 26, 2021. (Photo by Ng Han Guan/AP Photo)

Actors and dancers perform during the press rehearsal for the “ARISE Grand Show” at the Friedrichstadt-Palast theater in Berlin, Germany, 15 September 2021. Premiere of the show is scheduled for 16 September and will amaze vistors with “extravagant costumes, breathtaking stage sets and artistic excellence” until February 2022 as the theater promises on its website. (Photo by Filip Singer/EPA/EFE)

A woman dressed as a nurse sits next to Gerhard after a coronavirus disease (COVID-19) vaccination in a brothel in Vienna, Austria on November 8, 2021. (Photo by Leonhard Foeger/Reuters)

A girl jumps from a tomb, a day before the nationwide cemetery closure during All Saints' Day amid the coronavirus disease (COVID-19), at a flooded cemetery in Masantol, Pampanga, Philippines, October 28, 2021. (Photo by Lisa Marie David/Reuters)

Rosita, a character from the children's television series Sesame Street, gestures in front of Abraham Lincoln's portrait, during an event with children hosted by U.S. first lady Jill Biden of as part of the Christmas decoration and holiday reception kickoff at the White House, in Washington, U.S., November 29, 2021. (Photo by Jonathan Ernst /Reuters)

Levi Dinmore, 8, gets a COVID-19 test at a Sameday Health drive-through testing site in Bethesda, Maryland, U.S., December 22, 2021. (Photo by Evelyn Hockstein/Reuters)