Hundreds of thousands of people witnessed Monday's public inauguration ceremony on the National Mall in Washington, D.C.
The Second Inauguration of President Barack Obama
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President Barack Obama and Democratic Senator from New York Chuck Schumer, the chairman of the Joint Congressional Committee on Inaugural Ceremonies, leave the White House on January 21, 2013 for the U.S. Capitol in Washington, D.C.
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President Barack Obama supporters wave American flags on the National Mall in Washington, Jan. 21, 2013, prior to the start of the president's ceremonial swearing-in ceremony during the 57th Presidential Inauguration.