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Policeman Wu Shengzao (1st L) patrols with his colleagues at the Daxing International Airport in Beijing, capital of China, Feb. 1, 2020. Chinese authorities have tightened measures to battle the novel coronavirus epidemic as a growing number of people hit the road and return to work after the Spring Festival holiday. Wu Shengzao, 34, is a policeman working at the Daxing International Airport. During the anti-virus battle, Wu and his colleagues spend days patrolling in the airport, measuring temperature of the passengers and checking their conditions and needs. (Photo by Peng Ziyang/Xinhua)
