Wu Shaohua (R), a bus driver running a special transit line for medical personnel, chats with a passenger on the bus in Xi'an, northwest China's Shaanxi Province, Feb. 6, 2020. The Xi'an Public Transport Company opened 12 special transit lines for 11 hospitals in the city, in an effort to facilitate the travel of medical personnel during the epidemic control period. (Xinhua/Li Yibo)