part of Fortress Osowiec on Biebrza Marshes, east Poland

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Size: 5054px × 3370px
Photo credit: © Dorota Walczak / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: biebrza, bunker, fort, fortress, historic, history, imperial, marshes, military, osowiec, part, poland, russian, tsar, tsarist