In pics: Marx Memorial Library and Workers' School in London, Britain

A volunteer walks through the entrance of the Marx Memorial Library and Workers' School in London, Britain, May 4, 2018. Established in 1933 on the 50th anniversary of the death of Marx, the Marx Memorial Library and Workers' School has been the intellectual home of generations of scholars interested in studying Marxism, trade unionism, and the working class movement. (Xinhua/Tim Ireland)