Female medical worker Chen Guoyan from Shijiazhuang poses like a superman at a makeshift hospital in Wuhan, central China's Hubei Province, Feb. 28, 2020. There are many female medical workers active on the front line of the fight against the epidemic in Wuhan. International Women's Day is marked on March 8 every year to celebrate the social, economic and political achievements of women across the world. (Xinhua)

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