An artist's image of the wall that will separate the public from the repository where unidentified remains will be kept at the National September 11 Memorial Museum in Manhattan.
A woman looks out at One World Trade Center from inside the 9/11 Empty Sky memorial at Liberty State Park in Jersey City, N.J., on Wednesday. Americans commemorated the 12th anniversary of the Sept. 11 attacks with solemn ceremonies and pledges to not forget the nearly 3,000 people killed.
A runner heads down the banks of the Charles River in Cambridge, Mass., in front of the Boston skyline at dawn, the morning after deadly explosions at the Boston Marathon.
Information in the files is largely from interrogations of detainees being held by the U.S. at Guantanamo Bay, Cuba. (Sept. 16, 2010, file photo taken at Guantanamo Bay.)
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