Satellite Image: 2009 Inaugural Celebration. Washington D.C. National Mall

"This half-meter resolution image of the United States Capitol, Washington D.C. was collected by the GeoEye-1 satellite on Jan. 20, 2009 to commemorate the Inauguration of President Barack Obama. The image, taken through high, whispy white clouds, shows the masses of people attending the Inaugural Celebration." Link

Courtesy of GeoEye via boingboing.