9/11 then and now: Do September 2001 attacks still shape our world?

Once in a generation, sometimes once in a lifetime, a singular event blindsides the entire planet. 25 years on, does the memory of the Nine-Eleven attacks against New York's Twin Towers, the Pentagon and in Pennsylvania fade into history or is it still as raw and vivid as on that sunny September morning?

Source: France 24 (English)