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7th Annual Smithsonian Magazine Photo Contest Natural World
Swift nests under the 360 bridge in Austin look almost like empty shells.

Swift nests under the 360 bridge in Austin look almost like empty shells.

Photo Detail
Date Taken: 08.2008
Date Uploaded: 03.2009
Photo Location: Austin, Texas, United States of America
Camera: NIKON D40
Copyright: © Crystal Jacobson