History: Assembling B-25 bombers at North American Aviation, Kansas City. (Produced from the 4x5 negative taken in 1942)[620x475]

http://i.imgur.com/o6utotE.png via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/42ash3/assembling_b25_bombers_at_north_american_aviation/