A sculpture of Karl Marx (R) sitting next to Friedrich Engels is displayed at "The Power of Truth", an exhibition marking the 200th anniversary of Karl Marx's birth, at the National Museum of China in Beijing, capital of China, May 5, 2018. The exhibition was opened here on Saturday. It features Marx's life, sinicized Marxism and Marxism-themed contemporary art. (Xinhua/Jin Liangkuai)