![](http://www.alamy.com/thumbs/6/853CA595-E6C4-429D-9FE1-E63ABAFBA584/2PYNX6T.jpg)
Prototype Letov Š. of the Czechoslovak Aerospace Research Centre, August 1933
Size: 7088px × 3449px
Photo credit: © Martin Čížek / Alamy / Afripics
License: Royalty Free
Model Released: No
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