Norwood, John2020-09-042020-09-042009-05-019788012https://hdl.handle.net/1813/70663On October 21, 2004, developer Larry Silverstein joined Governor George Pataki and Mayor Michael Bloomberg in signing the final steel beam for 7 World Trade Center before 500 of the project’s construction workers. The beam, wrapped in the same American flag that had been used less than two decades prior for the original building, was then hoisted over 700 feet and set into place atop the 52-storey structure1.en-USRequired Publisher Statement: © Cornell University. Reprinted with permission. All rights reserved.Cornellreal estateNew York CityWorld Trade CenterLower Manhattanfire safetystructural efficiency9/11 attackSeptember 11th terrorist attacksarticle