Aerial photo taken on March 23, 2020 shows citizens of Xiaogan seeing off the medics from Chongqing before their departure in Xiaogan, central China's Hubei Province. A total of 669 members of a medical assistance team from Chongqing Municipality left Xiaogan of Hubei Province on Monday after finishing their task in fighting the COVID-19 epidemic. (Xinhua/Hu Huhu)
