History: Flo the whale flies over Washington D.C. as part of the mid-1970s "Save the Whales" movement [800x630]

http://www.ballooninghistory.com/stokes/Flo.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/54piv6/flo_the_whale_flies_over_washington_dc_as_part_of/?utm_source=ifttt