^^Yeah, I have watched it long ago. As for the thriller part, it was one of the best I've seen in years....The ending however was very disappointing. I know it was like that because thats how the novel ended, but surely it didn't go well with the movie.
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Although the dream probably had to do something with the guilt of the "old man" for not able to save the guy and his wife from Chirug (who probably was a metaphor for evils in the world, thus he survives )....but it certainly was done in a bad way.
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Otherwise a great film. However I preferred THERE WILL BE BLOOD over this one for the best film.