print email comment close Why the Towers Fell URL: http://www.pbs.org/wgbh/nova/wtc/ Description: A companion website to a PBS "NOVA" program that "follows a team of forensic engineers during their in-depth investigation of the precise causes of the Twin Towers' collapse." An engineer discusses the 2001 World Trade Center collapse and methods of improving building safety. Includes articles about a survivor from a floor above the impact, firefighter equipment, and the structure of metal. Includes a list of related books and online resources. Publisher: Public Broadcasting Service (PBS) Extra Keywords architecture wtc Library of Congress Subject Headings: Building failures September 11 Terrorist Attacks, 2001 Structural engineering World Trade Center (New York, N.Y.) LII Database Information: Record 2938 created by Dana Lubow on 04/20/2002 Last modification on 08/11/2005 Published: 04/20/2002   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/2938