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Left photo: Dawn in the Lower Geyser Basin. Right photo: Black Pool in the West Thumb Geyser Basin.
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Left photo: Runoff at West Thumb Geyser Basin. Right photo: A foggy morning in the Lower Geyser Basin.
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Left, Clepsydra Geyser, Lower Geyser Basin. Right, Sapphire Pool in Biscuit Basin. |
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Left, Lion Geyser, Upper Geyser Basin. Right, sunset at Midway Geyser Basin.
