Un Chien Andalou Noailles, who commissioned Dalí and Buñuel to create a sequel, of around the same length, with sound, to be called "La Bête Andalouse", in order to affirm its connection with "Un Chien". Dalí stated that the theme of the new film was to parallel that of the first: "to present the straight and pure 'conduct' of someone who continues to pursue love despite wretched humanitarian ideals, patriotism and the other poor mechanisms of reality." This new film ultimately was released in 1930 under the title "L'Age d'Or" but was quickly withdrawn by the Noailles family after being banned by the
Un Chien Andalou defined Surrealism as "Psychic Automatism", unconscious, capable of returning to the mind its true functions, beyond any form of control by reason, morality or aesthetics." The film was financed by Buñuel's mother, and shot in Le Havre and Paris at the Billancourt Studios over a period of 10 days in March 1928. It is a black and white, 35mm, silent film, with a running time of 17 minutes, although some sources state 24 minutes, and a physical length of 430 meters. For many years (and still), published and unpublished reports have circulated that Buñuel had used a dead pig's eye,