Film noir is not easily defined. The actual words come from French and mean "black cinema." It was in France during the post-war years that the term was used to describe a certain set of Hollywood films that were saturated with a darkness and cynicism that was not seen before.
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I like the way her hat is tilted and how she looks off into the distance, obviously ignoring you but you can't help but look at her.
Tribute to Film Noir in Showcase of Film Noir Photography
Photograph Film Noir Teaser by Manda Kempthorne on 500px