History: Chest Out. An instructor teaches a young woman stretching exercises on a London rooftop. 1933. [980x757]

http://i.imgur.com/MN3hhJ5.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/4s5hhc/chest_out_an_instructor_teaches_a_young_woman/?utm_source=ifttt