A young boy wearing a mask plays in a playground ball pit in a shopping mall on July 31, 2021 in Wuhan, Hubei Province, China. A new round spreading of Covid-19 has started from Nanjing, prompting provinces and cities to take action to fend off the epidemic. With no recorded cases of COVID-19 community transmissions since May 2020, life for residents in Wuhan is gradually returning to normal. (Photo by Getty Images/China Stringer Network)
