5 of 19: Shown in this combo image are two documentations of the September 11, 2001, terrorist attack in New York City and the current day location. (Top) Pedestrians flee the area of the World Trade Center as the center's south tower collapses following a terrorist attack on the New York landmark Tuesday, Sept. 11, 2001. (Below) Activity on Park Row is shown in lower Manhattan, Aug. 4, 2011 in New York. (AP Photos/Mark Lennihan) (Photo/Mark Lennihan)

Share this gallery
Advertisement