NEW YORK, NY – APRIL 02: Pedestrians cross the street in lower Manhattan as seen from One World Observatory from the 100th floor of One World Trade Center at the Ground Zero site on April 2, 2013 in New York City. One World Observatory, which is situated more than 1,250 feet over lower Manhattan, will open to the public in 2015 and will include a pre-show theater, multiple spaces that allow for panoramas of the New York City region and numerous dining options. When completed, One World Trade Center will be the tallest building in the Western Hemisphere at 1776 feet. (Photo by Spencer Platt/Getty Images)