Attack On AmericaAttack On America

The World Trade Center ComplexThe World Trade Center ComplexNew York, NYNew York, NY

September 11September 11thth, 2001, 2001

Facts - IFacts - I WTC Complex:WTC Complex: Consist of Seven BuildingsConsist of Seven Buildings

Owner: Owner: Port Authority of New York and New JerseyPort Authority of New York and New Jersey

Architect:Architect: Minoru Yamasaki & AssociatesMinoru Yamasaki & Associates

Engineer:Engineer: John Skilling & Les Robertson, John Skilling & Les Robertson, based in Seattle based in Seattle

Contractor:Contractor: Tishman Construction CompanyTishman Construction Company

Ground Breaking:Ground Breaking: August 5August 5thth, 1966, 1966

Opened:Opened: April 4April 4thth, 1973, 1973

Facts - IIFacts - II Dimensions:Dimensions: 200 feet Tower sides.200 feet Tower sides.

Total area : Total area : 12 million square feet12 million square feet40,000 sq ft per floor40,000 sq ft per floor

Height:Height: 110 stories high, 1368 and 1362 feet. 110 stories high, 1368 and 1362 feet. (417 and 415 meters).(417 and 415 meters).

Elevators:Elevators: 239 elevators and 71 escalators239 elevators and 71 escalators

Earth work:Earth work: 1.2 million cubic yards were excavated 1.2 million cubic yards were excavated

Facts - IIIFacts - III Steel:Steel: 200,000 tons200,000 tons

Concrete:Concrete: 425,000 cubic yards425,000 cubic yards

Windows:Windows: 43,600 windows43,600 windows600,000 sq ft of glass600,000 sq ft of glass

Cooling:Cooling: 60,000 tons of cooling capacity60,000 tons of cooling capacity

Antenna:Antenna: 360 feet high360 feet high

Capacity:Capacity: 50,000 Employees50,000 Employees

Satellite Photo - Satellite Photo - Lower ManhattanLower Manhattan

WTC

ManhattanManhattanPrior to AttackPrior to Attack

WTC – Looking Up WTC – Looking Up

AA Flight 11

Boston to LAX Hit the North Tower at 8:45 AM

United Flight 175

Boston to LAXHit the South Tower at 9:03 AM

Flight PathsFlight Pathsof Attackof Attack

UAL Flight 175 Hitting South Tower AA Flight 11 Hit the North Tower

Satellite Satellite Photo Photo of NY & NJof NY & NJ

Smoke from Smoke from Burning Burning TowersTowers

South Tower BlastSouth Tower Blast

Both Towers - BurningBoth Towers - Burning

From Brooklyn Bridge From Empire State Building

South Tower South Tower CollapsingCollapsing

Falling BodiesFalling Bodies

Lone Man - FleeingLone Man - Fleeing

Avalanche

Car on its EndCar on its End

WTC Bldg # 7

SkylineSkylineBefore & After AttackBefore & After Attack

Pentagon attackPentagon attack

God Bless AmericaI am certain that, however great the hardships and the trials which loom ahead, our

AMERICA will endure and the cause of human freedom will triumph…

by Cordell Hull