Underground Lake Proval in Pyatigorsk, Stavropol Krai, Russia. This karst failure is tourist attraction of Pyatigorsk city in Caucasian Mineral Waters

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Underground Lake Proval in Pyatigorsk, Stavropol Krai, Russia. This karst failure is tourist attraction of Pyatigorsk city in Caucasian Mineral Waters region. Theme of icon, mountain and travel

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Size: 6200px × 4134px
Photo credit: © Vyacheslav Lopatin / Alamy / Afripics
License: Royalty Free
Model Released: No

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