Xinhua photos of the day

A medical staff from Air Force Medical University prepares for leaving for Wuhan in Xi'an, capital of northwest China's Shaanxi Province, Jan. 24, 2020. A group of medical staff of Air Force Medical University left for Wuhan, the center of the novel coronavirus (2019-nCoV) outbreak, to provide medical aid. (Photo by Zhang Haopeng/Xinhua)