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etnaboris: Her Volcanic Majesty
subarcticmike: Spinners
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etnaboris: In the glow of the night
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etnaboris: Back to business
Ars Electronica: Eyjafjallajökull
Ars Electronica: Eyjafjallajökull
einalem: Cerro Uturuncu
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etnaboris: Blood of the Earth (Etna, 2004)
Buzz Hoffman: Volcano within a Volcano
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etnaboris: The lava and the city (Etna, 2001)
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enlightphoto: page-2063-550
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adamantine: Quartz - New Hampshire (2)
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Vesuviano - Nicola De Pisapia: Meramec Caverns - Missouri
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alphadesigner: Ammonis Cornua in Color
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@PAkDocK / www.pakdock.com: Svartifoss, Skaftafell
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Thad Roan - Bridgepix: Monument Valley
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ladigue_99: The Wave - Coyote Buttes North - Arizona
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Heida HB: The Best View ever...
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BigSkyKatie: Castle Geyser Erupting - Yellowstone National Park