In the wake of yesterday's FIU pedestrian bridge collapse, many are left to wonder, what happened? Where did they go wrong? Did the engineers involved really believe the bridge was structurally safe? What cemented their beliefs? Here are some lessons we can learn from the 10 worst engineering disasters in the United States and how we can use them to prevent future tragedies. https://www.livescience.com/55619-engineering-disasters.html
