Frequently included in top ten lists of greatest films of all-time. Directed by Soviet director Dziga Vertov, the film is famous for its range of cinematic techniques — double exposure, fast motion, slow motion, freeze frames, jump cuts, split screens, close-ups, tracking shots, footage played backwards, stop motion animations — many of which appear here first. In 2014 Sight and Sound named it the top documentary film ever made. Watch it here: