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Chinese Vice Premier Liu Yandong (C rear) presides over a symposium on AIDS prevention and treatment work in Beijing, capital of China, Nov. 30, 2017. (Xinhua/Ding Haitao)
Chinese Vice Premier Liu Yandong (C rear) presides over a symposium on AIDS prevention and treatment work in Beijing, capital of China, Nov. 30, 2017. (Xinhua/Ding Haitao)