NYC
05/25/2010 05:12 am ET | Updated May 25, 2011

At Ground Zero Museum, Oral History Exhibit Debuts

Ms. Defontes, who was working on the 89th floor of the north tower on Sept. 11, is one of nearly 400 survivors, victims' relatives, first responders, city officials and others whose recorded oral histories can be heard starting Thursday at the National 9/11 Memorial and Museum's preview site at 20 Vesey Street.

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