Construction workers removed their helmets and looked on teary-eyed as the final steel beam of 4 World Trade Center I was lifted into place Monday morning. 

Developer Larry Silverstein said his aim, and that of the workers, has been "to give New Yorkers back the city terrorists tried to take away."

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More than 100 construction workers signed the beam before it was hoisted 977 feet by a crane and placed on top of the building , as a rendition of "God Bless America" was performed by gospel singer BeBe Winans.

The tower, which sits on the southeast corner of the 16-acre site,  is scheduled to open late next year. It's expected to be the first tower completed on the 16-acre site since the 9/11 attacks. The building primarily will house commercial offices.