On Tuesday, the central Chinese city of Xi'an recorded 52 new Covid-19 cases. By Wednesday, authorities had imposed strict lockdown measures on its estimated 13 million residents. CNN's Selina Wang has more.
On Tuesday, the central Chinese city of Xi'an recorded 52 new Covid-19 cases. By Wednesday, authorities had imposed strict lockdown measures on its estimated 13 million residents. CNN's Selina Wang has more.