Los Olvidados (1950) established Luis Bunuel's reputation as a world-class director. Set in the slums of Mexico City, it follows the crime-filled and violent lives of group of juvenile delinquents. The film exhibits some of Bunuel's recognisable themes of love's yearnings, social injustice, and surrealism, but with a layer of compassion that sets it apart from many of his other films. In 2003, Los Olvidados was inducted into UNESCO's...