I don't know how you call that attention to period. I am not saying that there wasn't any, but I couldn't find any and you haven't pointed out any. In my review I wrote about the yellow filter. I actually thought it was cool, but yellow filter alone won't make it different period. It is like using sepia/BW or some coarse grain film. I never thought about this point till now. How do films get away with that? Isn't it just a clever gimmick? Note that I do usually fall for that gimmick and appreciate it, but maybe I will start paying attention to this aspect from now on. I don't know if there was really any change in the way American towns looked in that particular span of twenty years, but I would speculate that they did. Ddi the movie bring out that difference? I can't recall. I noticed that he did stretch the film very long just to give us the feeling that a lot of time has passed by and nothing happened. But visual setting? I am not so convinced. Please educate me.