Barricades are set Monday in Chiwei village of Shenzhen, South China’s Guangdong province, which was locked down following the city-wide movement restrictions imposed on Monday. Photo: Xing Yun, intern reporter/Caixin

A Covid-19 control worker uses a scooter to deliver gas cylinders to residents on Monday. Photo: Xing Yun, intern reporter/Caixin

Covid-19 control staff walk in an alley on Monday. Photo: Xing Yun, intern reporter/Caixin

A “closed for business” sign is displayed on a store front on Monday. Photo: Xing Yun, intern reporter/Caixin

A cordon is set in front of a closed repair store on Monday. Photo: Xing Yun, intern reporter/Caixin

Volunteers wearing protective suits organize food supplies for residents on Monday. Photo: Xing Yun, intern reporter/Caixin

Packages ordered by residents online are placed in a designated point for disinfection before door-to-door delivery by volunteers. Photo: Xing Yun, intern reporter/Caixin

The local government designated the village’s Sifang street as a “sealed area,” where residents need to stay at home, with supplies delivered directly to their doors. Photo: Xing Yun, intern reporter/Caixin

In the densely populated urban village, apartments are so close to each other that residents can shake hands from their windows on either side of the street. Photo: Xing Yun, intern reporter/Caixin

The village bordering Hong Kong is located next to the Shenzhen River. Photo: Xing Yun, intern reporter/Caixin