Experimental film shorts. Fernand Léger, Dudley Murphy, and Man Ray created the film "Ballet Mécanique" (1924), sometimes described as Dadaist, Cubist, or Futurist. Duchamp created the abstract film "Anémic Cinéma" (1926). Alberto Cavalcanti directed "Rien que les heures" (1926), Walter Ruttmann directed "" (1927), and Dziga Vertov filmed "Man With a Movie Camera" (1929), experimental "city symphonies" of Paris, Berlin, and Kiev, respectively. The most famous experimental film is generally considered to be Luis Buñuel and Salvador Dalí's "Un chien andalou" (1929). Hans Richter's animated shorts, Oskar Fischinger's abstract films, and Len Lye's GPO films would be excellent examples of more abstract
Invisible Adversaries Export and Su Friedrich," referred to "Invisible Adversaries" as a feminist version of "Invasion of the Body Snatchers", noted that the film includes references to famous paintings and to "Un Chien Andalou", and wrote that therefore it "is visually rick, entertaining, striking, but also demanding." A few reviews, however, were negative. For example, London's "Time Out" wrote about the film that it is "[n]ot unlike """ and that it will "probably age as badly" and a reviewer for "The Heights" wrote that "I was expecting a great feminist work here, but got mediocrity. I cannot recommend that you see this