Lava flow formations in Blue Grotto Cave in Lava Beds National Monument
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G10 0235.jpg The Blue Grotto Triq Wied Iz Zurrieq, Zurrieq © A Santillo 2009
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G10 0253.jpg The Blue Grotto Zurrieq © A Santillo 2009
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G10 0266.jpg The Blue Grotto Zurrieq © A Santillo 2009
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G10 0268.jpg The Blue Grotto Zurrieq © A Santillo 2009
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Top View on the Blue Grotto
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tourist boat to Grotta Azzurra (=Blue Grotto)
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Area near the entrance to Blue Grotto Cave in Lava Beds National Monument
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Hiking east along the coast towards the Blue Grotto
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Algae, iron stains, blue sky reflections, and clacium carbonate on grotto wall, Zion Canyon, Zion National Park, UT
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