01221cgm a2200241 4500 770827190 TxAuBib 20050823120000.0 030124s2002||||||||||||||||||||||v|eng|u 9781578079599 1578079594 NMPL NMPL TxAuBib Why the towers fell [Video]. BBC, 2002. 1 DVD disc. Not rated/Color & B&W/60 minutes. For most people the image of the collapse of the World Trade Center Towers on Sept. 11, 2001, was not only a scene of unforgettable horror, it was a moment of unimaginable consequence. This follows a blue ribbon team of forensic engineers as they begin searching for clues that would tell them why the towers fell. From detailed examination of the buildings original design to the relentless process of searching the scrap steel yards and Ground Zero itself for evidence. 20030124. Eleanor Steele Blocher Endowment Fund. World Trade Center (New York, N.Y.) September 11 Terrorist Attacks, 2001. Forensic engineering.