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Visitors Line Up for First Place Maryland

A long line of visitors stretches around the University of Maryland, on the final open day of the U.S. Department of Energy Solar Decathlon 2011, after taking first place overall in the competition, in Washington, D.C., Sunday, Oct. 02, 2011. (Credit: Stefano Paltera/U.S. Department of Energy Solar Decathlon)

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Taken on October 2, 2011