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UNITED STATES - AUGUST 24: A worker returns to his shelter where he is sand blasting a set of paving stones on the East Plaza of the Capitol in front of the Senate on Wednesday, Aug. 24, 2011. (Photo By Bill Clark/Roll Call)

UNITED STATES - AUGUST 24: A worker returns to his shelter where he is sand blasting a set of paving stones on the East Plaza of the Capitol in front of the Senate on Wednesday, Aug. 24, 2011. (Photo By Bill Clark/Roll Call)

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