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National Christmas Tree lit in Washington DC

The National Christmas Tree is illuminated during the 90th annual National Christmas Tree Lighting on the Ellipse of the National Mall in Washington, D.C., Dec. 6, 2012. U.S. President Barack Obama and others attended the event which included performances by Jason Mraz, Ledisi, James Taylor, Kenny "Babyface" Edmonds, Colbie Caillat and American Idol season 11 winner Phillip Phillips. President Calvin Coolidge lit the first National Christmas tree, a 48-foot Balsam fir, in 1923.

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