Imágenes que cambiaron el mundo
Nelson Mandela convirtió este puño levantado en un icono de la lucha contra el apartheid en Sudáfrica
A Beijing citizen stands in front of tanks on the Avenue of Eternal Peace in this June 5, 1989 file photo during the crushing of the Tiananmen Square uprising. June 4 marks the 25th anniversary of the suppression of pro-democracy protests in Tiananmen Square in 1989. Picture taken June 5, 1989. REUTERS/Stringer/Files (CHINA - Tags: POLITICS CIVIL UNREST ANNIVERSARY)