These friends took a tumble after sharing a hug in Leeds in northern England on May 17, 2021, as Covid-19 lockdown restrictions ease. (Photo by London News Pictures)

Members of the Loktev Ensemble perform during the opening of the 18th Moscow Meets Friends International Festival at the Moscow International House of Music in Moscow, Russia on May 18, 2021. (Photo by Artyom Geodakyan/TASS)

A girl plays in a waterlogged street following a heavy monsoon rainfall in Mumbai on June 9, 2021. (Photo by Sujit Jaiswal/AFP Photo)

Pakistan fans during the first one day international match at the Sophia Gardens, Cardiff on Thursday, July 8, 2021. (Photo by Bradley Collyer/PA Images via Getty Images)

A health worker applies a dose of the AstraZeneca vaccine during the first day of a three-day COVID-19 vaccination campaign for people over age 35 in the Complexo da Maré favela of Rio de Janeiro, Brazil, Brazil, Thursday, July 29, 2021. Some recipients will be monitored to study the rate of protection the vaccines provide and the extent to which virus variants are circulating. (Photo by Bruna Prado/AP Photo)

A man walks pat sculptures with face masks on along an alley in Beijing on August 3, 2021. (Photo by Noel Celis/AFP Photo)

A wave carrying plastic waste and other rubbish washes up on a beach in Koh Samui in the Gulf of Thailand on January 19, 2021. (Photo by Mladen Antonov/AFP Photo)

A boy sells balloons in front of a closed market as the government reduces market business hours after new cases of COVID-19 were reported across the country in Peshawar, Pakistan, 03 August 2021. Countries around the world are taking increased measures to stem the widespread of the COVID-19 disease. (Photo by Arshad Arbab/EPA/EFE)