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| Close up of the mats |
One of the most fascinating features of the geyser basins here in Yellowstone is the extraordinary colors of the bacterial mats.
These beautiful colors were a surprise to me, and no more so than at Grand Prismatic Spring.
The hot water flows over swathes of brilliant yellow, orange, red, and green and the hot pools are lined with color too.
And they are living and thriving creatures, called thermophiles! In the billions they form these bacterial mats, a parallel universe indeed.
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| The facsination of Grand Prismatic Spring and its run-off. |
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| Hint of the amazing colors of the spring under all the steam. |
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| Outer space? a close up. |
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| Eerily otherworldly. |
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