Historic artillery guns from World War One era at the walls of the Kalemegdan Fortress in Belgrade, Serbia.

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Size: 6000px × 4000px
Photo credit: © sianstock / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ancient, artillery, belgrad, belgrade, cannon, capital, city, day, europe, fortress, gun, historic, kalemegdan, monument, museum, park, serbia, sky, summer, territory, tower, travel, wall, war