History: Wing walkers Gladys Roy and Ivan Unger pretend to play a game of tennis on top of a flying biplane, USA, 1925 [1200 x 858]

https://i.redd.it/v7v3rdw0e4911.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/8xp0oa/wing_walkers_gladys_roy_and_ivan_unger_pretend_to/?utm_source=ifttt