This is one of this movie that cannot leave anyone unmoved. I honestly can say that I didn't get to comprehend the extension and meaning of the Holocaust until I watched this 9h documentary. Probably, I still don't even get to be close to its understanding now but this has been clear to me after watching the movie. This is the kind of historic document with incalculable value to leave proof of what happened during WWII so nobody can really put it in question. I would even say that this movie should be passed in history class in high-schools all around the world. The work done is huge and, although I would say that, at some points, I don't understand why Lanzmann makes some kind of trivial questions, I reckon that the actual purpose is to make the viewer to understand all the aspects of the happenings: the extraordinary and the casual usual ones. A must to be seen, if you feel strong enough to face the terrible truth and fate of millions of people.