ADF Group Inc.

ADF Group Inc.

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  Weather postpones trade center's ascent to tallest

  One World Trade Center already is New York's tallest building. And when the last pieces of its spire eventually rise to the roof, the 104-floor ... 

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  Cranes install base of spire on roof of 1 WTC

  Workers at the rising 1 World Trade Center on Tuesday installed the first piece of the spire that will make the 104-floor skyscraper the tallest in ...