World News | Dan Barry, The New York Times | Friday September 9, 2011
After the roar, after the first ground-trembling collapse sent clouds of pulverized matter billowing through Lower Manhattan, a man paused from his hurried retreat to take in a world now coated with the dust of uncertain gray. For reasons he still cannot explain, he bent down, scooped some of this grayness into an envelope - and kept on moving.
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