A staff member helps a tourist to register for nucleic acid test at a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua
A staff member helps a resident to register for nucleic acid test at a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua
A medical worker collects a swab sample at a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua
Tourists queue up at a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua
Tourists queue up at a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua
A staff member disinfects a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua
A medical worker collects a swab sample at a nucleic acid testing site in Ejina Banner of Alxa League, north China's Inner Mongolia Autonomous Region, Oct. 22, 2021.Photo:Xinhua