[Excerpt] It was April 4th, 1973, when the ceremonial ribbon was cut at the World Trade Center (WTC). That date concluded seven long years of construction-preceded by more than a decade’s worth of planning-that transformed 16 acres of Lower Manhattan into a singular international business hub.
Silverstein, L. A., Daniels, J. C., Panovka, R., Piasky S., & Lieber, J. (2012). Rebuilding the World Trade Center. Cornell Real Estate Review, 10, 39-53.