Shanghai starts China’s biggest COVID-19 lockdown in 2 years

Traffic police wearing protective suits check on a vehicle before an underpass tunnel which has closed following the coronavirus outbreak in Shanghai, China, Monday, March 28, 2022. China began its largest lockdown in two years Monday to conduct mass testing and control a growing outbreak in its largest city of Shanghai as questions are raised about the economic toll of the nation's "zero-COVID" strategy. (Chinatopix Via AP)