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11th Annual Smithsonian Magazine Photo Contest Natural World
The side of Grand Prismatic Spring in Yellowstone National Park.

The side of Grand Prismatic Spring in Yellowstone National Park.

Photo Detail
Date Taken: 10.2011
Date Uploaded: 10.2013
Photo Location: Wyoming, United States of America
Camera: COOLPIX P100
Copyright: © Colleen Cahill
Awards
Editor's Pick