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onriversandrocks: Clive's Cave, Ardeche
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onriversandrocks: Cave Pearls
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onriversandrocks: Irridescent biofilm
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onriversandrocks: Coloured calcite
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onriversandrocks: Penwyllt
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onriversandrocks: Ice on Old Mans Beard
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JonPemberton: Dave in Pick Axe Rift, Cussey Pot
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JonPemberton: Rob in Nomenca Choke, Cussey Pot
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JonPemberton: Rocky Horror dig, Cuseey Pot
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JonPemberton: Jules posing in the WW
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JonPemberton: Ben in Doom
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JonPemberton: Jules ascending Cliffstile
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enekopy: _A129116-Panorámica Tocinos
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p_swire_beardy: DSCF5050
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enekopy: Sima en Matienzo
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enekopy: Sima en Matienzo
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flallier: Le puits du Vautour (P330)
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enekopy: falso techo Soplao
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enekopy: Asunkorta Panorámica 2
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flallier: Un petit lac dans la superbe rivière souterraine de "Tham Loynam".
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Jose Cantorna: Vestrahorn (Explore)
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Jose Cantorna: Carbonero palustre
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Matt Straite Photography: The Icy Decent
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Sorginetxe (Iñigo Gómez de Segura): Cueva de Los cristinos....
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loose_grip_99: Bagan Mandalay Burma 26th January 2020
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Matt Straite Photography: Mihaly's Gate, Portland Winter Light Festival 2020
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flallier: Berlines
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ivan.sgualdini: Grotta_Santa_Barbara_200121
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nondesigner59: Imbolc Fire festival. ( Explored.)
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Lost America: The Edsel Lunge