Twin Towers got attacked by terrorists
Many people died because the leader of terrorists (Osama Bin Laden), made other people think that they will be accepted into heaven if they listen to his commands so he told people to do bad things when they think they are doing something good.
Osama Bin Laden
A person that is hated by many people because he killed other peoples family members, hero's, and friends.
The twin towers that have been destroyed.
Firefighters put a flag up after the 9/11