6.75
Years it took to build the World Trade Center (WTC), from 1966 to 1973.
102
Minutes it took to destroy both towers, from first impact to final collapse.
56
Minutes the south tower (2 WTC) stood before collapsing.
102
Minutes the north tower (1 WTC) stood before collapsing.
12
Seconds it took for each tower to crumble.
125
Military and civilian workers who died in the attack on the Pentagon.
64
People who died aboard the flight that crashed into the Pentagon.
44
People who died in the plane that crashed into rural Pennsylvania.
19
Al-Qaeda hijackers who died in the Sept. 11 attacks.
15
Hijackers who were Saudi.
23
NYPD officers who died at the WTC site.
343
Firefighters who died at the WTC site.
37
Port Authority police who died at the WTC site.
3
EMS workers who died at the WTC site.
50
In thousands, number of people who worked in the WTC complex.
140
In thousands, estimated number of people who visited the WTC complex daily.