Medical workers from Gansu return to Lanzhou after finishing their tasks in Hubei

Medics supporting virus-hit Hubei Province disembark from the plane upon their arrival at the Lanzhou Zhongchuan International Airport in Lanzhou, northwest China's Gansu Province, March 24, 2020. A total of 172 medical workers from Gansu Province returned to Lanzhou on Tuesday after finishing their tasks in Hubei Province. (Xinhua/Du Zheyu)