• Construction started in 1966

  • Completed in 1973

  • Architect: Minoru Yamasaki

  • Cost of original towers was $400 million

  • 110 Stories, 1368 feet (not including antenna)

  • Antenna was 360 feet tall

  • Could see 45 miles from top of towers

  • 104 elevators in each tower

  • About 400 million pounds of steel used

  • 425,000 cubic yards of concrete used

  • First Building to use sky lobbies for elevator system

  • About 50,000 people worked in the Twin Towers

  • The WTC was a complex of 7 buildings.

 

 

 

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