4:00 a.m. to 8:00 p.m. 40,000 steps, 6,000 people

At 7:00 PM on March 15, the community square of Dongjiaxiazhuang, Laoshan District, was still brightly lit. Under the tent for nucleic acid test sampling, dabai workers were still busy. Some migrant workers who just got off work were queuing up for sampling.Dongjiaxiazhuang community has more than 700 households and more than 2,000 residents. As…