Byzantine fortress Ustra in Rhodope Mountains

---

Size: 5616px × 3744px
Location: Zlatograd, Smoljan, Bulgaria
Photo credit: © Cavan Images / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: -, autumn, bulgaria, byzantine, cloud, environment, europe, exterior, formation, fort, fortress, grass, highland, landscape, mountain, moutains, natural, nature, outdoor, outdoors, people, plant, rhodope, ruins, scenery, sightsee, sightseeing, sightseer, sky, slope, smoljan, sunbeam, sunrise, tourism, tourist, travel, zlatograd