Photo taken on May 6, 2018 shows the certificate of Karl Marx's degree for Doctor of Philosophy at the Karl Marx House museum in Trier, Germany. An exhibition is underway to honor the German philosopher as this year marks the 200th anniversary of his birth. (Photo: China News Service/Peng Dawei)
Photo taken on May 6, 2018 shows a chair at the Karl Marx House museum in Trier, Germany where Karl Marx is said to have died while sitting. The museum has reopened after an eight-month renovation as this year marks the 200th anniversary of his birth. (Photo: China News Service/Peng Dawei)
Karl Marx's manuscript for the Manifesto of the Communist Party on display at the Karl Marx House museum, May 6, 2018. An exhibition is underway to honor the German philosopher as this year marks the 200th anniversary of his birth. (Photo: China News Service/Peng Dawei)
The Manifesto of the Communist Party, in different language editions, on display at the Karl Marx House museum, May 6, 2018. An exhibition is underway to honor the German philosopher as this year marks the 200th anniversary of his birth. (Photo: China News Service/Peng Dawei)