APTOPIX Sept 11 Anniversary

September 10, 2012 - 10:34 PM
Visitors to the National September 11 Memorial walk below the rising towers 1 World Trade Center, left, and 4 World Trade Center, Monday, Sept. 10, 2012 in New York. Tuesday will mark the eleventh anniversary of the attacks of Sept. 11, 2001. (AP Photo/Mark Lennihan)