Sometimes, one would hear the phrase "The book was better than the movie". And yet, if Agnes Varda's masterwork was based upon a novel, the movie would most definitely be better. This is because of the film's unique pacing: it moves in real time.
Unlike another real-time masterpiece, Before Sunset, Cléo from 5 to 7 actually follows the title character Cleo in situations, not conversations. Cleo is the only character present in all of the scenes.