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The Rising: How One World Trade Center was built

It has been a journey filled with deep emotion and pride as the tallest building in the Western Hemisphere took shape and form.

One World Trade Center looms over the wedge-shaped pavilion entrance of the National September 11 Museum, lower right, and the square outlines of the memorial waterfalls in New York on Sept. 5, 2013. The 1,776-foot-high building stands as a symbol of resilience in the wake of 2001's Sept. 11 terror attacks. Mark Lennihan / AP
Construction gets under way at the World Trade Center site and the One World Trade Center tower on Sept. 2, 2010. John Makely / NBC News
Construction cranes work above the rising structure of New York's One World Trade Center on Jan. 5, 2011. The top deck is 613 feet (187 meters) above street level in this photo, and the steel columns were in place to support the 54th floor. Mark Lennihan / AP
People walk past the construction site of the World Trade Center in New York on Sept. 9, 2011. Jim Young / Reuters
The Tribute in Light shines brightly next to the Statue of Liberty and One World Trade Center, left, on Sept. 10, 2012, to commemorate the 11th anniversary of the Sept. 11 attacks. Gary Hershorn / Reuters
The construction of One World Trade Center, up to 104 floors, is seenon Sept. 11, 2012, across the Hudson River at Liberty State Park in Jersey City, N.J. A runner glides his hand along the wall of "Empty Sky," New Jersey's memorial to the 749 people from the state who died during the Sept. 11 terrorist attacks on the World Trade Center. Mel Evans / AP
The final section of the spire that will top One World Trade Center is raised past iron workers to the top of the building in New York on May 2, 2013. Gary Hershorn / Reuters
The final piece of the One World Trade Center spire is attached to the building by ironworkers in New York on May 10, 2013. The spire raised the building to its full height of 1,776 feet, making it the tallest building in the Western Hemisphere. Gary He / Reuters
Ironworker Tyler Brown leans on a safety fence to look at the New York skyline after watching a crane lift the final piece of the spire to the top of the One World Trade Center on May 10, 2013. Lucas Jackson / Reuters
People line up to look into the South Pool underneath the One World Trade Center tower at the National September 11 Memorial in New York on Aug. 29, 2013. Carlo Allegri / Reuters
A woman flies a kite in front of the skyline of New York's Lower Manhattan and One World Trade Center in a park along the Hudson River in Hoboken, N.J., on Sept. 3, 2013. Gary Hershorn / Reuters