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

7th Annual Smithsonian Magazine Photo Contest Travel
Skies over American history

Skies over American history

Photo Detail
Date Taken: 07.2008
Date Uploaded: 07.2009
Photo Location: Philadelphia, Pennsylvania, United States of America
Camera: E5000
Copyright: © Duc Vu