In 2018, Italy s Morandi Bridge collapsed, killing 43 people. For 50 years, the iconic bridge had withstood the elements and stress from ever-increasing traffic. NOVA investigates what went wrong and explores other bridge collapses across the United States. How can new engineering techniques make bridges safer and prevent such tragedies? Producer: Martin Gorst
NOVA Why Bridges Collapse
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![Why the Towers Fell - An Exclusive Investigation into the Collapse of the World Trade Center [DVD]](https://cdn11.bigcommerce.com/s-t8bvbs505h/images/stencil/500x659/products/24673412/26174414/51HHFKE5KJL__94566.1696908061.jpg?c=2 "Why the Towers Fell - An Exclusive Investigation into the Collapse of the World Trade Center [DVD]")
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