Unless you were too young—or perhaps not yet even born—we all remember 9/11: Where we were, what we were doing, what we did next. Two decades hence we are still recollecting, still coming to grips with what happened that day and what has transpired since. Here, in 20 pictures, is a look back at these 20 years. The moment has never lost its shock value. And Americans have not lost their resolve. Our war in Afghanistan is over. The war against terrorism—the war for liberty and for freedom from terror—continues.
Click on the photo to enlarge it and see the captions.