Medical staff in Belgrade, Serbia on February 5, 2021. Vaccination of employees in the city's social protection institutions has begun at the Belgrade Fair, who have expressed interest in receiving the Russian Sputnik V vaccine, and according to the city secretary for social protection Natasa Stanisavljevic, about 150 employees in those institutions will receive the vaccine today and tomorrow. (Photo by Zoran Zestic/Tanjug)

A woman holds her dogs during a snow flurry as temperatures dropped below freezing during the third coronavirus lockdown in London, Tuesday, February 9, 2021. (Photo by Kirsty Wigglesworth/AP Photo)

An employee places goods of Pokemon video game characters on display at a Pokemon store in Tokyo on February 26, 2021. Twenty-five years after Pokemon first began delighting children and adults alike, the phenomenon is still capturing hearts, with smartphone craze Pokemon Go enjoying record success in virus-hit 2020. (Photo by Behrouz Mehri/AFP Photo)

Participants of the “Still Standing for Culture” action of the cultural sector rally in Les Marolles neighborhood of Brussels, Belgium, 13 March 2021. Workers of the cultural sector along with second-hand dealers of the Jeu de Balle place gathered in Les Marolles to denounce the lack of financial support and call for solutions to the impact of the coronavirus crisis on culture professionals and the sector as a whole one year after the Covid-19 pandemic lockdowns started. (Photo by Stephanie Lecocq/EPA/EFE)

Children wearing military uniform take part in a parade, held by Russian servicemen, pupils of infant and primary schools, which is a public event to honour World War Two veterans and to mark the upcoming Victory Day, in Rostov-on-Don, Russia on April 25, 2019. (Photo by Sergey Pivovarov/Reuters)

Boys contort their faces as they participate in a game where they need to slide a coin from their forehead to their mouth to win, during the annual Feast Day of St. Rita of Cascia in Manila, Philippines on May 19, 2019. (Photo by Noel Celis/AFP Photo)

Rice seedling festival is a traditional folk festival in longji, guangxi, China on June 9, 2019, during grain in ear season. (Photo by Costfoto/Barcroft Media)

Spectators in fancy dress during Day 7 of The Championships – Wimbledon 2019 at the All England Lawn Tennis and Croquet Club on July 8, 2019 in London, England. (Photo by Carl Recine/Reuters)