Lightning brightens the night sky over Washington D.C. during a rainstorm
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A homeless man sits under a sign giving directions to the White House at the entrance of the McPherson Metro Station in Washington DC
Joe Biden, US vice-president, greets Environmental Protection Agency workers with muffins as they return to work after 16 days of a US government shutdown at the William Jefferson Clinton Federal Building in Washington.
US First Lady Michelle Obama dances with pre-kindergarten students while she visits the Savoy School on Friday in Washington, DC. The school, once one of the lowest performing in the District of Columbia, has shown significant signs of improvement since being designated as one of eight schools selected last year for the Turnaround Arts Initiative by the President’s Committee on the Arts and the Humanities.