Satellite images show how 9/11 attack looked like, what has changed after 20 years

Historical and new satellite images supplied by space firm Maxar Technologies show what the September 11, 2001 terror attack looked like from space and what has changed since then.

The September 11, 2001, terrorist attacks were one of the most defining moments of modern history. Millions of people watched the events unfold on television as 19 al-Qaeda terrorists hijacked four US passenger airplanes and carried out suicide attacks against targets at multiple locations. Historical and new satellite images supplied by space firm Maxar Technologies show what the devastating terror attack looked like from space and what has changed since then.