Spire For One World Trade Arrives By Barge

Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower. (Photo by Chris Pedota-Pool/Getty Images)

Spire For One World Trade Arrives By Barge

Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower. (Photo by Chris Pedota-Pool/Getty Images)

Spire For One World Trade Arrives By Barge

Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower. (Photo by Chris Pedota-Pool/Getty Images)

Spire For One World Trade Arrives By Barge

Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower. (Photo by Chris Pedota-Pool/Getty Images)

Spire For One World Trade Arrives By Barge

Parts of the spire for the Freedom Tower make their way on a barge from Port Newark to lower Manhattan where they will be unloaded and installed on top of the Freedom Tower. (Photo by Chris Pedota-Pool/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers gather as the first piece of the spire is hoisted atop One World Trade Center on December 12, 2012. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers pull a rope as they prepare the first piece of the spire to be hoisted atop One World Trade Center on December 12, 2012. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers watch as the first piece of the spire is hoisted atop One World Trade Center on December 12, 2012 in New York City. The first of 18 sections of spire was hoisted atop the 104-story building by crane. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers watch as the first piece of the spire is hoisted atop One World Trade Center on December 12, 2012 in New York City. The first of 18 sections of spire was hoisted atop the 104-story building by crane. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers watch as the first piece of the spire is hoisted atop One World Trade Center on December 12, 2012. The first of 18 sections of spire was hoisted atop the 104-story building by crane.(Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers pull a rope as they prepare the first piece of the spire to be hoisted atop One World Trade Center. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

Workers watch as the first piece of the spire is hoisted atop One World Trade Center on December 12, 2012 in New York City. The first of 18 sections of spire was hoisted atop the 104-story building by crane. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

A worker wears a Teamsters union jacket as the first piece of the spire is hoisted atop One World Trade Center on December 12, 2012. (Photo by Mario Tama/Getty Images)

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

<> on December 12, 2012 in New York City.

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

<> on December 12, 2012 in New York City.

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

<> on December 12, 2012 in New York City.

One World Trade Center's Spire Is Hoisted Atop The Skyscraper

The first piece of the spire is hoisted atop One World Trade Center. (Photo by Mario Tama/Getty Images)