The attacks of September 11, 2001, marked a turning point in history, one that continues to shape world affairs. Twenty years later, FRANCE 24 travelled to Afghanistan, Iraq, France, Sweden and Belgium to meet some of the key players, who try to explain how the attacks happened and why they had such a profound global impact on the past two decades.

By Antoine Mariotti – adapted by Thomas Waterhouse
Camera: Fanny Allard and Sylvain Rousseau
Video editing: Julia Boudet