Twenty-two years later, the sounds and images of that day reverberate. The 19-acre complex of buildings called the World Trade Center, considered to be the heart of the financial sector, was forever changed.
"If we do not believe that something positive and larger than ourselves can be created from the deaths and destruction of 9/11, then we have only anger, pain, or bitterness to sustain us in our recollections of that day." -- September 12, 2011