File photo dated June 1, 1950 shows a doctor undergoing a medical checkup for a child during an activity to celebrate the International Children's Day in Shanghai, east China. Soon after the founding of the People's Republic of China on Oct. 1, 1949, the Chinese government decided on Dec. 23, 1949 to unite the Chinese Children's Day with the International Children's Day, which falls on June 1 every year. (Xinhua)
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