Medical workers gesture on a bus before leaving Nanning Wuxu International Airport in Nanning, south China's Guangxi Zhuang Autonomous Region, March 21, 2020. Two batches of the medical assistance team from Guangxi, which consists of 248 members, had left Hubei Province since Friday, as the epidemic outbreak in the hard-hit province has been subdued. (Xinhua/Cui Bowen)