World
Trade Center

One
World Trade Center
(1,368 ft) 417 m
Two
World Trade Center
(1,362 ft) 415 m
The
Center is a complex of seven
buildings including the two towers,
rising above a enormous
underground shopping concourse.
Number
of stories in each tower: 110
Height of the towers: 1,250 feet
Base length of each tower: 400 feet
Number of people who
work in the towers: About 50,000
How
old: Towers were completed in 1976
Construction:
A metal-mesh skin supports the bulk of the towers weight,
unlike the typically modern skyscrapers, which supported on
a steel frame.
Above
photo: The towers under construction in 1971
SOURCES:
The Encyclopedia of New York; Compiled from AP wire reports