At 8:46 Flight 11 strikes tower 1 from the North to South direction destroying floors 93 to 99. At 9:03 Flight 175 struck Tower 2 at a slight Southwest to Northeast angle destroying floors 77 to 85. Much more debris fell to the street.
I don't think anyone who was old enough to remember either of those events will ever forget what they were doing or where they were. Those were things that literally tattooed themselves onto our psyches. How could you ever feel safe again?