Mammoth Cave National Park historic entrance

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Mammoth Cave National Park historic entrance group tourist Kentucky hiker person pelple visitor tour Geology Limestone Natural formations North America Rock Rock formation Speleothems Biosphere

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Size: 5100px × 3400px
Photo credit: © Tom Uhlman / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, biosphere, cave, entrance, formation, formations, geology, group, hiker, historic, kentucky, limestone, mammoth, national, natural, north, park, pelple, people, person, rock, speleothems, tour, tourist, visitor