Sergey Radchenko is a professor of international politics and director of research at the School of Law and Politics at Cardiff University. He is the author, most recently, of Unwanted Visionaries: The Soviet Failure in Asia at the End of the Cold War.
China top communist leader, Chairman of Communist Party (CCP) and President of the Republic Mao Zedong smiles during his holidays in 1961 in Lushan Moutain. Chinese official agency distributed this picture in September 1976 after Mao's death with a title: "Great leader Chairman Mao will live forever in our hearts". CHINA OUT / AFP / XINHUA (Photo credit should read /AFP/Getty Images)