Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

7th Annual Smithsonian Magazine Photo Contest Natural World
Nature\'s Hourglass

Nature\'s Hourglass

Photo Detail
Date Taken: 09.2009
Date Uploaded: 09.2009
Photo Location: Arizona, United States of America
Camera: NIKON D90
Copyright: © Keith Burnett jr.