Rising majestically above the New York skyline is One World Trade Center, formerly called The Freedom Tower. Upon its completion in 2013, 1 WTC will be the tallest building in the United States and one of the tallest in the world, standing at a symbolic height of 1,776 feet. To the right is 7 WTC, which was the last tower to fall during the attacks of Sept. 11,2001, and the first tower to be complete. In Saturday's edition, reporter Andy Leibenguth, who spent a day at the memorial site earlier this week, offers his first-hand impressions of the WTC complex.