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Open Image ModalPeople gather in the lobby of One World Trade Center, Monday, Nov. 3, 2014 in New York. (credit:ASSOCIATED PRESS)
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Open Image ModalPeople walk past One World Trade Center, Monday, Nov. 3, 2014, in New York. (credit:ASSOCIATED PRESS)
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Open Image ModalEmployees are stated at the front desk for Conde Nast in the lobby of One World Trade Center Monday, Nov. 3, 2014 in New York. (credit:ASSOCIATED PRESS)
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Open Image ModalCharles Townsend, CEO of Conde Nast, arrives at One World Trade Center with Patricia Rackenwagner, senior vice president of Corporate Branding and Communications, Monday, Nov. 3, 2014, in New York. (credit:ASSOCIATED PRESS)
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Open Image ModalA doorman holds the door for an employee entering One World Trade Center, Monday, Nov. 3, 2014 in New York. (credit:ASSOCIATED PRESS)
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Open Image ModalA security guard stands inside One World Trade Center, which opens today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalThe elevator bank of One World Trade Center, which opens for business today, is seen on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalA man exits One World Trade Center, which opened today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalA man checks in to the front desk at One World Trade Center, which opens today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalSecurity guards stand outside One World Trade Center, which opened today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalMembers of the media explore a model office, used to exhibit what a business space could look like on the 63rd floor of One World Trade Center, which opens for business today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalA model office, used to exhibit what a business space could look like, is seen on the 63rd floor of One World Trade Center, which opens for business today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalSecurity guards stand inside One World Trade Center, which opened today, on November 3, 2014 in New York City. (credit:Andrew Burton via Getty Images)
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Open Image ModalThe North facade of One World Trade Center November 3, 2014 in New York. Thirteen years after the 9/11 terrorist attack, World Trade Center is opening for business again. (credit:DON EMMERT via Getty Images)
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Open Image ModalThe North facade of One World Trade Center November 3, 2014 in New York. Thirteen years after the 9/11 terrorist attack, World Trade Center is opening for business again. (credit:DON EMMERT via Getty Images)
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Open Image ModalThe North facade of One World Trade Center November 3, 2014 in New York. Thirteen years after the 9/11 terrorist attack, World Trade Center is opening for business again. (credit:DON EMMERT via Getty Images)
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Open Image ModalConstruction workers stand outside One World Trade Center November 3, 2014 in New York. (credit:DON EMMERT via Getty Images)
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Open Image ModalPedestrians pass by One World Trade Center November 3, 2014 in New York. Thirteen years after the 9/11 terrorist attack, World Trade Center is opening for business again. (credit:DON EMMERT via Getty Images)