The Tribute in Light shines above lower Manhattan, the Statue of Liberty, and One World Trade Center, left, Saturday, Sept. 10, 2011, in New York. Sunday will mark the 10th anniversary of the Sept. 11, 2001, attacks on the United States. (AP Photo/Mark Lennihan)

Photo by: Mark Lennihan

The Tribute in Light shines above lower Manhattan, the Statue of Liberty, and One World Trade Center, left, Saturday, Sept. 10, 2011, in New York. Sunday will mark the 10th anniversary of the Sept. 11, 2001, attacks on the United States. (AP Photo/Mark Lennihan)