Smoke and ash engulf lower Manhattan after terrorists flew two airliners into the World trade Centre towers.
Smoke and ash rise above downtown high-rise buildings and engulf lower Manhattan after the attack on World Trade Centre.
The World Trade Centre tower begins to implode in New York.
Smoke and ash engulf the general area of the World Trade Centre in New York.
Smoke and ash engulf lower Manhattan.
Smoke billows from a World Trade Centre tower in New York.
White ash covers the downtown area near the grounds of World Trade Centre in New York.
Smoke billows from the grounds of World Trade Centre in New York.
Smoke billows from the grounds of World Trade Centre in New York.
The upper floors of the World Trade Centre tower burns after terrorists flew an airliner into it.
A World Trade Centre tower implodes in New York.
Smoke and ash rise as a World Trade Centre tower burns at left centre, after terrorists flew two airliners into the towers.