No. 1 World Trade Center, a new office tower, is expected to be finished by 2013.

新的办公塔楼即世贸中心一号楼有望于2013年完工。

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Angeli and Steelman describe a 20-story section of 1 World Trade Center -- the north tower -- now embedded into the ground to the subway lines below.

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The area, once a barren and bitterly contested site, has since given way to the beginnings of construction for a long awaited "Freedom Tower, " or the 1 World Trade Center.

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If it didn't have the spire, One World Trade Center would be shorter than the Willis Tower in Chicago, which stands at 1, 451 feet and currently has the title of tallest building in the U.S., not including its own antennas.

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