Michelle Obama delivers the Virginia Tech graduating class of 2012 commencement speech.
Carnegie Mellon University located in Pittsburgh, Pa. The brilliant university of computer science where the Gigapan was developed.
Protesters reach downtown Pittsburgh the 2nd day of the G20 Summit.
Mt. Washington on September 25th the 2nd day of the G20 Summit
Save Tibet protestors gathered downtown Pittsburgh, for the first day of the Pittsburgh G20 on September 24 2009.
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