We forget that movement in films is an illusion. We' re just looking at a succession of rapidly projected stills. This Mexican film is another attempt to make a narrative from actual stills, telling the story of the edgy friendship between a 14-year-old Mexican boy and a New York undergraduate over the four seasons. It's moderately enjoyable, but not in the class of the greatest film of this kind, Chris Marker's sci-fi masterpiece, La Jetée