A restaurant worker wearing a mask cleans the windows as the restaurant reopens amid the COVID-19 pandemic in Sao Paulo, Brazil, Monday, July 6, 2020. Bars, restaurants and beauty salons were allowed to re-open Monday after over three months of quarantine, and are required to observe preventative measures and reduced operating hours only during the day. (Photo by Andre Penner/AP Photo)

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)

Sikh Nihang (Sikh warriors) perform “Gatka”, an ancient form of Sikh martial arts, during the “Nagar Kirtan” procession to mark the 339th birth anniversary of the Sikh warrior Shaheed Baba Deep Singh, in Amritsar on January 31, 2021. (Photo by Narinder Nanu/AFP Photo/Profimedia)

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)

The Etam models perform on catwalk during ETAM Show at Flagship Hausmann near Opera in Paris, France on September 29, 2020. (Photo by J.P. Pariente/SIPA Press)

A couple takes selfie pictures amid heart shaped decorations setted for Valentine's day, in Bangkok, Thailand on February 14, 2021. (Photo by Mladen Antonov/AFP Photo)

A resident pushes their motorbike through flood waters caused by torrential rain in Semarang, central Java, Indonesia on February 23, 2021. (Photo by W.F. Sihardian/NurPhoto/Rex Features/Shutterstock)

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)