One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: Construction continues on One World Trade Center after workers moved a steel column into place to make it New York City's tallest building on April 30, 2012 in New York City. One World Trade Center's height is now just beyond the 1,250 feet of the observation deck at the famed Empire State Building. (Photo by Mario Tama/Getty Images)

One World Trade Center Becomes Tallest Building In New York

JERSEY CITY, NJ - APRIL 30: An American flag flies in Exchange Place as construction continues on One World Trade Center (TOP) after workers moved a steel column into place to make it New York City's tallest building on April 30, 2012 as seen from Jersey City, New Jersey. One World Trade Center's height is now just beyond the 1,250 feet of the observation deck at the Empire State Building. (Photo by Mario Tama/Getty Images)

One World Trade Center Becomes Tallest Building In New York

JERSEY CITY, NJ - APRIL 30: People sit in Exchange Place as construction continues on One World Trade Center (TOP) after workers moved a steel column into place to make it New York City's tallest building on April 30, 2012 as seen from Jersey City, New Jersey. One World Trade Center's height is now just beyond the 1,250 feet of the observation deck at the Empire State Building. (Photo by Mario Tama/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center, is seen on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is not expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center, is seen on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is not expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: A live video image of the setting of one of the beams that will make One World Trade Center the tallest building in New York City is displayed on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is not expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

JERSEY CITY, NJ - APRIL 30: A woman walks in Exchange Place as construction continues on One World Trade Center (TOP) after workers moved a steel column into place to make it New York City's tallest building on April 30, 2012 as seen from Jersey City, New Jersey. One World Trade Center's height is now just beyond the 1,250 feet of the observation deck at the Empire State Building. (Photo by Mario Tama/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: Workers stand on one of the top floors of the new One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is not expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: Ironworkers Adam Cross (L) and Steven Cross connect a steel beam at the top of One World Trade Center to make it New York City's tallest building on April 30, 2012 in New York City. The cousins are from the Kahnawae native american reservation in Quebec, Canada. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on Monday. That's just taller than the observation deck on the Empire State Building. (Photo by Mark Lennihan-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: street hawker holds a computer generated image of the completed new One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center, on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: A woman takes a picture of the new One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center, on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is not expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: The 9-11 Memorial Pool is seen from one of the top floors of the new One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center, on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: One World Trade Center building, which is under construction on the site of the destroyed original World Trade Center, is seen on April 30, 2012 in New York City. One World Trade officially surpassed the height of the Empire State Building today to become New York City's tallest building. With its unfinished frame the building stands at a little more than 1,250 feet high. It is expected to reach its full height for at least another year, when it will likely to be declared the tallest building in the United States and the third-tallest in the world. (Photo by Spencer Platt/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: A torn safety net provides a window view from One World Trade Center of the Manhattan skyline on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on Monday. That's just taller than the observation deck on the Empire State Building. (Photo by Mark Lennihan-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: A man takes a photo as construction continues on One World Trade Center (L) after workers moved a steel column into place to make it New York City's tallest building on April 30, 2012 in New York City. One World Trade Center's height is now just beyond the 1,250 feet of the observation deck at the Empire State Building. (Photo by Mario Tama/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: Iron worker Billy Geoghan climbs down an iron column after attaching beams into place on the 100th story of One World Trade on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on making it just taller than the observation deck on the Empire State Building. (Photo by Lucas Jackson-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: The 9/11 Memorial can be seen from the 90th story of One World Trade Center on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on making it just taller than the observation deck on the Empire State Building. (Photo by Lucas Jackson-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: Iron worker Steven Cross carries steel cable across the 100th story of One World Trade Center on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on making it just taller than the observation deck on the Empire State Building. (Photo by Lucas Jackson-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: The Empire State Building is seen behind an iron worker as he stands next to protective netting on the 100th story of One World Trade Center on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on making it just taller than the observation deck on the Empire State Building. (Photo by Lucas Jackson-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: The Empire State Building and lower Manhattan can be seen from the 90th story of One World Trade Center on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on making it just taller than the observation deck on the Empire State Building. (Photo by Lucas Jackson-Pool/Getty Images)

One World Trade Center Becomes Tallest Building In New York

NEW YORK, NY - APRIL 30: The Brooklyn Bridge (R) and Manhattan Bridge can be seen from the 90th story of One World Trade Center on April 30, 2012 in New York City. One World Trade Center is being built to replace the twin towers destroyed in the Sept. 11 attacks. It reached just over 1,250 feet on making it just taller than the observation deck on the Empire State Building. (Photo by Lucas Jackson-Pool/Getty Images)