How the Twin Towers Collapsed

Following the official report into the collapse of the World Trade Center Towers being published, One Year On revisits Ground Zero. It tells the definitive story of the disaster for the first time. Experts who appeared in the original programme return to speak freely about the problems they found. Mainly in the building’s design, and they discuss the exact reasons for its collapse. And members of the investigation team who were previously bound by confidentiality take part. (Source: Real Stories)