![](http://www.alamy.com/thumbs/6/5A79A1A8-271A-4621-85BF-5D2C8DDD92CF/JF2RBT.jpg)
Flight pioneer Otto Lilienthal
Flugpionier Otto Lilienthal, Flight pioneer Otto Lilienthal,
Size: 4288px × 2848px
Photo credit: © Zoonar/gero.b / Alamy / Afripics
License: Licensed
Model Released: No
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