The walls of Kalemegdan Fortress in Belgrade, Serbia. The fortress dates to Roman times.

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Size: 3744px × 5616px
Location: Belgrade, Serbia
Photo credit: © Barry Vincent / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ages, ancient, belgrade, castle, europe, european, fort, fortification, fortifications, fortress, gate, kalemegdan, medieval, middle, roman, serbia, serbian, tower, vertical, wall, walls, zindan