Kalemegdan Fortress entrance, ancient Singidunum, Belgrade, Serbia.

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

Keywords: ancient, architecture, background, belgrade, beograd, destination, europe, fort, fortress, historic, history, kalemegdan, landmark, medieval, monument, outdoor, park, serbia, sky, stone, tourism, tourist, tower, travel