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| Doublet pool, bordered in a lace of calcium deposits |
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| Old Faithful Geyser Area |
| View of a vent going deep underground |
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| Bacteria mat, surrounding most all geysers and thermal pools |
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| Zoom 1 - bacteria mat |
| Zoom 2 - bacteria mat |
| mineral deposits form stalagtites underwater, while the pool goes down to an unknown depth |
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| Old Faithful Geyser |
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| Wild flowers have found a place to grow even in this extreme environment |
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| The optical illusion of water hides this pool's actual depth |
| All images are protected by copyright - (c) Tiell. |