![](http://www.alamy.com/thumbs/6/C1902391-7B3A-4708-8363-4B80225E208B/JF2RBG.jpg)
Otto Lilienthal sepia
Otto Lilienthal sepia,
Size: 4288px × 2848px
Photo credit: © Zoonar/gero.b / Alamy / Afripics
License: Licensed
Model Released: No
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