Natural underground karst mineral lake of Mashuk mountain in Pyatigorsk, Northern Caucasus,Russia

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Natural underground karst mineral lake of Mashuk mountain in Pyatigorsk, Northern Caucasus,Russia

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Size: 3186px × 2000px
Location: Pyatigorsk, ?????????????? ????, ??????
Photo credit: © mikle15 / Alamy / Afripics
License: Royalty Free
Model Released: No

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