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9th Annual Smithsonian Magazine Photo Contest Natural World
Yellowstone National Park at dusk with bacterial mats highlighting the last of the day's solar rays.

Yellowstone National Park at dusk with bacterial mats highlighting the last of the day's solar rays.

Photo Detail
Date Taken: 07.2009
Date Uploaded: 12.2011
Photo Location: Wyoming, United States of America
Camera: Canon EOS DIGITAL REBEL XTi
Copyright: © Natalie Applegate