What we and other responders learned that day would go on to spark major changes in U.S. emergency response efforts.
Scarred by disastrous wars and thousands of deaths caused by terrorism, the world is still reeling from the events of September 2001.
The debates surrounding the 9/11 novel have been as informative as the novels themselves.
Even indirect exposure to the terrorist attacks of September 11 has left profound and deep impact on those too young to remember a world before that.
Tragedies involving building collapses prompt structural engineers to figure out what happened, and how to prevent it from recurring.
Are terrorist attacks also an implicit design critique of our urban landscape? An architect and urban designer suggests we can fight terrorism by not building obvious targets.
Those involved with the monumental task faced many challenges as they balanced the unquestionable priority of remembrance with the commercial task of recreating an economically vibrant downtown.