A staff member conducts disinfection work at a supermarket in Fengtai District of Beijing, capital of China, June 15, 2020. Fengtai District carried out a comprehensive cleaning and disinfection work at its public areas on Monday. (Xinhua/Li Xin)

A community worker conducts disinfection work at a residential area in Fengtai District of Beijing, capital of China, June 15, 2020. Fengtai District carried out a comprehensive cleaning and disinfection work at its public areas on Monday. (Xinhua/Li Xin)

A community worker (L) inspects the disinfection work at a restaurant in Fengtai District of Beijing, capital of China, June 15, 2020. Fengtai District carried out a comprehensive cleaning and disinfection work at its public areas on Monday. (Xinhua/Li Xin)