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It was once called the Freedom Tower. And at first, some New Yorkers said the city didn't need a massive skyscraper that might again draw terrorists, and would cost a fortune.
But things have changed.
This week, four developers submitted competing offers to the Port Authority of New York and New Jersey for a minority stake and marketing partnership in 1 World Trade Center.
A winner will be picked by June.
More than 1,400 workers are erecting the $3.1 billion building, which is already 240 feet high. The building is set to open in 2013.
The tower's final height — 1,776 feet — symbolizes patriotism.