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A conference to mark the 200th anniversary of the birth of Karl Marx is held in the Great Hall of the People in Beijing, capital of China, May 4, 2018. (Xinhua/Ding Lin)
A conference to mark the 200th anniversary of the birth of Karl Marx is held in the Great Hall of the People in Beijing, capital of China, May 4, 2018. (Xinhua/Ding Lin)