A resident selects vegetable in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Liu Xiao)
Aerial photo shows residents queuing up for nucleic acid test in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Shao Rui)
Aerial photo shows a commercial street in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Liu Xiao)
A resident selects vegetable in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Zhang Bowen)
Aerial photo shows the Bell Tower in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Liu Xiao)
Residents select vegetables in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Liu Xiao)
Residents queue up for nucleic acid test in Xi'an, northwest China's Shaanxi Province, Dec. 23, 2021. Xi'an imposed a citywide lockdown, effective Thursday, in an effort to curb the spread of the latest COVID-19 resurgence. (Xinhua/Liu Xiao)
