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NEW YORK, NY – SEPTEMBER 24: Rescue workers, including a dog trained to sniff for survivors, take a break near the wreckage of the World Trade Center 24 September, 2001, in New York. Nearly two weeks after the terrorist attacks brought down the twin towers, families of the victims and rescue workers have begun to face the reality that many of the more than 6,000 missing victims may never be recovered. (Photo credit should read TED WARREN/AFP/Getty Images)