Hidden Secrets of the Twin Towers
- Episode aired Sep 13, 2020
- 44m
The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.