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2:54
The most impressive innovation was the technique used to construct the bridge's cables.

10:57
Engineer Leslie Robertson discusses architectural aspects of the World Trade Center.

14:03
Writer Pete Hamill talks about New York before, during, and after construction of the WTC.

5:01
Three-term mayor of New York City Ed Koch describes a moment on September 11, 2002.

8:00
Photographer Camilo Jose Vergara discusses the visual impact of the World Trade Center.

4:47
Journalist William Langewiesche tells the story of one 9/11 survivor.

8:19
Historian Niall Ferguson talks about globalization and 9/11.

11:07
An interview with the President of the World Trade Center Association, Guy Tozzoli.

3:47
An interview with former New York governor Mario Cuomo.

4:21
Architecture critic Ada Louise Huxtable discusses the options for building at Ground Zero.

7:37
Watch Chapter 1 of Emma Goldman.

7:47
Mike Wallace discusses the implications of a World Trade Center in New York City.