Europeans mark 200th anniversary of Karl Marx's birth

John McDonnell, British Shadow Chancellor of the Exchequer, delivers a speech entitled "Into the 21st century: Marxism as a force for change today" during the Marx 200 Conference, organized by the Marx Memorial Library on the bicentenary of Karl Marx's birth, at SOAS University in London, Britain, on May 5, 2018. (Xinhua/Tim Ireland)