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cloudspotter761: Sea caves 136
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cloudspotter761: Sea caves 134
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(baquanue): hey! let me see it
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brucebob: Staðarfjall arch
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Bill Jacomet: Rainbow Bridge
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Bill Jacomet: Lower Antelope Canyon
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Bill Jacomet: Peeking at Pikes Peek!
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Bill Jacomet: Warren
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brucebob: Gatklettur sea arch at Arnarstapi
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brucebob: Hole in the Rock
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brucebob: Hallarflöt at Dimmuborgir
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brucebob: Gatklettur at Dimmuborgir
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brucebob: Staðarfjall
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msnvrebelle: Arch Rock
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mullaboi: Sunset Breeches before Mayday!
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mullaboi: The Breeches Sea Stack, Maghery, Donegal
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jonathan.scaife81: Linn of Quoich hole
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dylkyl24: GASP
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dylkyl24: Manmade Blowhole
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Nema Pajand (thanks for over 30,000 visits):
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Nema Pajand (thanks for over 30,000 visits): rock form
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Marcie Heacox: Life Will Find a Way
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Yellowpoontoon: magic hole 2
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ieuan_edwards: Broadstairs chalk hole image #3
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msnvrebelle: How Does This Happen?
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famkefonz: On the eastern coast of Vava'u
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Lamby1959: Wookey Hole cave
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Lamby1959: Cuba
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Lamby1959: Cuba
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Lamby1959: Cuba