[World Trade Center memorial in Union Square Park]

[Donut cart covered with debris from World Trade Center]

Trade Center Towers IV

Newspaper: America Regroups: Terrorists Strike World Trade Center, Pentagon

Newspaper: Act of War: World Trade Center Destroyed; Many Dead

[World Trade Center memorial in Union Square Park, New York]

Newspaper: Unthinkable: Terrorists Crash Planes into World Trade Center, Pentagon

Newspaper: U.S. Attacked: Terrorists Hit World Trade Center, Pentagon