When I first saw New Wave director Chris Marker's remarkable 27 minute film, "La Jetée" (1962), in 1972 at the Biograph, it knocked me out. I watched over and over. In the history of cinema there may be no better example of “less is more.”
Here's the whole film in HD. Unless you are fluent in French be sure to enable the subtitles feature and, either way, watch it on full screen.