Medical workers leave Hubei after finishing their tasks

Zhang Lin (1st L), a medical worker from Hunan, waves goodbye before departure at Wuhan Railway Station in Wuhan, central China's Hubei Province, March 22, 2020. Nearly 600 medical workers from Hunan Province left Wuhan on Sunday after finishing their tasks in Huanggang City of Hubei. (Xinhua/Shen Bohan)