A big step toward the building's completion, scheduled for late 2013.
This is the tip of the spire of One WTC — the final touch on a building that, at 1,776 feet, will be the tallest in the Western Hemisphere.
Via: LUCAS JACKSON / Reuters
Via: STAN HONDA / Getty Images
Though the final piece was lifted today, it will be attached to the spire at a later date.
Via: Mark Lennihan / AP
Ironworker Tommy Hickey holds a guide rope as the final piece of spire is hoisted to the roof.
Via: Mark Lennihan / AP