History: Swimmers at a Las Vegas hotel watch a mushroom cloud from an atomic test 75 miles away, 1953 [800x850]

http://i.imgur.com/h34hPva.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/675rng/swimmers_at_a_las_vegas_hotel_watch_a_mushroom/?utm_source=ifttt