Cave called Devil Throat in the Trigrad Gorge, Rhodope Mountains, Bulgaria

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Size: 5189px × 3446px
Photo credit: © Gregory Wrona / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: balkan, balkans, bulgaria, bulgarian, canyon, cave, gorge, mountain, mountains, prehistoric, rhodope, river, rock, trigrad, trigradska, tunnel, underground