Alex Hyde / Cave Cricket female (Troglophilus cavicola) on the side of stalactite in limestone cave. Plitvice Lakes National Park, Croatia. January.
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Vincent Grafhorst / Stalagmites and stalactites in cave chamber, Gcwihaba Caves, Botswana
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Robert Smith / Diver exploring a freshwater Limestone sinkhole / Cenote called 'The Pit' - a traverse to 'The Blue Abyss' with stalactites and stalagmites, Tulum, Quintana Roo, Mexico, September 2008. Model released
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Robert Thompson / Long John Silver stalactite in the Marble Arch Caves, Enniskillen, County Fermanagh, Northern Ireland, UK, January 1995
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Jack Dykinga / Stalagmites and stalactites in underground cavern with tourquise waters of Cenote Papakal (sink hole), near Merida, Yucatan, Mexico October 2009
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Claus Meyer / Visitors explore an expansive cavern with stalactites, Vale Do Peruacu, Minas Gerais, south Cerrado savannah, Brazil
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Remi Masson / Speleothem (cave mineral deposit) with caver Bauges Massif UNESCO Geopark, Savoy / Savoie, France, February.
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Franco Banfi / Man in zodiac looking at stalactites and stalagmites at Venice Pier, Krizna Jama / Cross cave, Bloska Polica, Loz valley, Slovenia. May 2018.
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Philippe Clement / Flowstone, sheetlike deposits of calcite suspended from ceiling in the Caves of Han-sur-Lesse / Grottes de Han, Ardennes, Belgium
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Michel Roggo / Anhumas Abyss Bonito area, Serra da Bodoquena (Bodoquena Mountain Range), Mato Grosso del Sul, Brazil November 2011 . Photographed for The Freshwater Project
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Juan Carlos Munoz / Stalagmite and stalactites, El Soplao cave, Cantabria, Spain, July 2016.
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Juan Carlos Munoz / Stalagmite and stalactites, El Soplao cave, Cantabria, Spain, July 2016.
