Local News One World Trade Center September 11, 2013 / 9:58 AM PDT / CBS News Final Section Of One World Trade Center's Spire Installed New Estimates Make One World Trade Center World's Most Expensive Office Bldg 4 World Trade Developers Hold Tour Of Progress One World Trade Center's Spire Is Hoisted Atop The Skyscraper Lower Manhattan Sees Population Rise After 9/11 Attacks Final Sections Of Spire Raised To Top Of One World Trade Center Final Section Of One World Trade Center's Spire Installed Final Section Of One World Trade Center's Spire Installed US-ATTACKS-WTC-SPIRE Construction Continues On One World Trade Center New York City Exteriors And Landmarks Construction Continues On One World Trade Center Construction Continues On One World Trade Center New York City Exteriors And Landmarks New York City's "Tribute In Light" Is Tested Night Before Sept. 11th Anniversary