Fair rating? 0 0NOVA· Season 29 · Episode 16Why the Towers FellS29E16·8.5·April 30, 2002·1h·PBSCan lessons learned from the Twin Towers' collapse make new buildings safer? Forensic engineers investigate the collapse of the World Trade Center.Streaming on (US) See allShare#1In Season 29of 1 rated episodes#71All-timeof 287 rated episodes+0.0vs season avgSeason 29 averages 8.52002First airedApril 30, 2002Guest starsLiev Schreiberas Narrator (voice)PreviousShackleton's Voyage of EnduranceS29E15NextFire WarsS29E17Keep going