Photo shows employees working at a smart production line in Xiaogan, central China's Hubei Province, March 25, 2020. Residents can enter and leave their residential areas with qualified health QR code, meanwhile retails and shopping malls are gradually resumed. (Photo/China News Service)

People shop at a supermarket in Xiaogan, central China's Hubei Province, March 25, 2020. (Photo/China News Service)

A staff member checks the body temperature of a customer at a shopping mall in Xiaogan, central China's Hubei Province, March 25, 2020. (Photo/China News Service)

A staff member checks the body temperature of a customer at a shopping mall in Xiaogan, central China's Hubei Province, March 25, 2020. (Photo/China News Service)