Grand Prismatic Spring - Colorful Close Up

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Grand Prismatic Spring - Colorful Close Up

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
silversummit
on Jun 10, 2009 2:57 pm
Image Type(s): Informational,  Scenery
Image ID: 520207

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