A woman rides past the traffic light with the image of Karl Marx in Trier, Germany, May 4, 2018. The 200th anniversary of Karl Marx's birth falls on May 5, 2018. (Xinhua/Shan Yuqi)
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A woman rides past the traffic light with the image of Karl Marx in Trier, Germany, May 4, 2018. The 200th anniversary of Karl Marx's birth falls on May 5, 2018. (Xinhua/Shan Yuqi)
