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Yellowstone National Park
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Grand Prismatic Spring - Colorful Close Up
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Grand Prismatic Spring - Colorful Close Up
Grand Prismatic Spring - Yellowstone
The orange color is caused by cyanobacteria – aquatic photosynthesizing bacteria on the cooler edges of the spring
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silversummit
on
Jun 10, 2009 2:57 pm
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Image ID:
520207
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