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• Sears Tower was the world's tallest building from 1974 to 1975.*

• Preceded by World Trade Center• Surpassed by

Petronas Twin Towers• Information• Location Chicago , Illinois,

USA• Status: Complete• Constructed : 1970-1973• Height Antenna/Spire: 1,730 ft

(527m)• Roof : 1,450 ft (442 m)• Technical details• Floor count 108• Floor area 4.56 million sq ft.

(3.81 million sq ft. rentable)418,064 m² (353,961 m² rentable)

• Elevator count 104, with 16 double-decker elevators

• Companies• Architect:

Skidmore, Owings and Merrill

• Taipei 101 has been the world's tallest building since 2004.*Preceded byPetronas Twin TowersInformationLocationXinyi District,Taipei,  Taiwan StatusComplete

• Constructed1999-2004• HeightAntenna/Spire509.2 m

(1,670.60 ft)Roof449.2 m (1,473.75 ft) Top floor 439.2 m (1,440.94 ft) Technical details

• Floor count 101 Floor area412,500 m2 (4,440,100 sq ft)

• Elevator count61, including double-deck shuttles and 2 high speed observatory elevators)

• Cost NT$ 58 billion (US$ 1.76 billion)

• Companies Architect: C.Y. Lee & partners Contractor KTRT Joint Venture, Samsung Engineering & Construction

• Owner Taipei Financial Center Corp. Management

• Petronas Twin Towers was the world's tallest building from 1998 to2004.

• Preceded by : Sears Tower Surpassed by: Taipei101

• Information LocationKuala Lumpur, Malaysia

• StatusCompleteConstructed • 1992-1998• Height Antenna/Spire 451.9 m

(1,482.6 ft) Roof378.6 m (1,242.1 ft) Top floor: 375.0 m (1,230.3 ft)

• Technical details: Floor count: 88 Floor area: 395,000 m2 (4,252,000 sq ft) (1 & 2)

• Elevator count: 78 • Companies Architect: Cesar Pelli• Contractor: • Samsung Engineering & Construction

Hazama Corporation• Management : KLCC

• CN Tower Toronto's CN Tower.

• The CN Tower was the world's tallest free-standing structure on land from 1975 until 2007.Information Location: Toronto, Ontario, Canada Coordinates 43°38′33″N 79°23′14″W43.6426, -9.3871Coordinates:43°38′33″N 79°23′14″W43.6426,-79.3871

• Status Complete Constructed

• 1973 – 1976• Use: mixed use• Height Antenna/Spire:

553.33 m (1,815.4 ft)• Roof: 457.2 m (1,500.0 ft)• Top floor: 446.5 m(1,464.9 ft)• Technical details• Floor count: 147 (equivalent)

Elevator Count6CompaniesArchitect

• John Andrews: Architects in association with WZMH Architects

•                               • Jin Mao Tower from the

Oriental Pearl Tower• Information

• Location: 88 Century Boulevard, Pudong District, Shanghai 200121, China

• Status: Complete• Constructed: 1998• Use: Office, Hotel• Height Antenna/Spire:421m1,380ft• Roof: 370.0 m / 1,214 ft• Top floor: 366.0 m / 1,201 • Technical details• Floor count: 88• Floor area: 278,707 m²• Elevator count: 61• Companies Architect• Skidmore, Owings & Merrill

The World Trade CenterHeight: 1,368 and 1,362 feet (417 and 415 meters)Owners: Port Authority of New York and New JerseyArchitect: Minoru Yamasaki, Emery Roth and Sons consultingEngineer: John Skilling and Leslie Robertson of Worthington, Skilling, Helle and JacksonGround Breaking: August 5, 1966Opened: 1970-73; April 4, 1973 ribbon cutting Destroyed: September 11, 2001

Inside W.T.C

Inside W.T.C

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