Medical worker Mao Jingjing takes people's body temperature as they drive into the city at a toll station in Hefei, east China's Anhui Province, Feb. 2, 2020. In China's battle against the novel coronavirus epidemic, grassroots workers, deliverymen, sanitation workers and public transport drivers showed their selfless devotion in protecting the safety of residents in the communities and brought warmth and belief to the citizens. (Xinhua/Zhang Duan)