Fifteen years have passed since the attacks of September 11, 2001 killed nearly 3,000 people and forever altered the world as we knew it.
From the instant President George W. Bush was informed of the attacks to the raising of the American flag by firefighters among ground zero’s wreckage, photographers were there to document what had in an instant become one of the most important days in history.
(Photo by Alexandre Fuchs/AP)
Kelsey Driscoll 