Final steel beam to be lifted at 4 WTC tower

One World Trade Center towers above the Lower Manhattan skyline and Hudson River, Monday, March 26, 2012, in New York. The tower, now up to 93 floors, will reach 104 floors and is scheduled for completion in 2013. (AP Photo/ Mark Lennihan)

June 25, 2012 6:54:43 AM PDT
The steel construction of 4 World Trade Center is drawing to a close.