![](http://www.alamy.com/thumbs/6/9C010966-0ACB-43AE-9E80-795E25B7D8BB/2R1WDP7.jpg)
Members and guests of the 1st All-Russian Aeronautical Congress in St. Petersburg in 1911.
Size: 4000px × 2983px
Location: Saint Petersburg, Russia
Photo credit: © Archive Collection / Alamy / Afripics
License: Licensed
Model Released: No
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