Dubai skyscraper world's tallest
An unfinished skyscraper in the Persian Gulf state of Dubai has become the world's tallest building, its developers say.
Emaar Properties said the 512m (1,680ft) Burj Dubai is now taller than Taiwan's 508m (1,667ft) Taipei 101.
It is thought Burj Dubai will eventually be 693m (2,275ft) tall.
Height records are contentious, with dispute over what defines a "building" and what is being measured - height to the top floor or the tower's antenna.
When finished the building is expected to meet the Council on Tall Buildings and Urban Habitat's four criteria - the height of the structural top, highest occupied floor, the roof's top, and the spire's highest point - to become the world's tallest structure.
"Burj Dubai has now reached 141 storeys, more storeys than any other building in the world," the company said in a statement.
There is speculation that, spire included, the final height could be more than 800m, but Emaar is keeping structural details secret.
'Symbol of Dubai'
When finished, the skyscraper will have more than 160 floors, 56 elevators, apartments, shops, swimming pools, spas, corporate suites, Italian fashion designer Giorgio Armani's first hotel, and an observation platform on the 124th floor.
It's a fact of life that, at some point, someone else will build a taller building
Greg Sang, Emaar Properties
To qualify as a building, a structure has to have floors and walls all the way to its roof.
The tower is also expected to break the record for highest man-made structure, currently held by the wire-assisted KVLY-TV mast in North Dakota, US, which is 628m (2,072ft) tall.
"It's a symbol of Dubai as a city of the world," Greg Sang, the project director for Emaar Properties, was quoted as saying by the Associated Press.
Chairman Mohammed Ali Alabbar said Dubai has "resisted the usual and has inspired to build a global icon," according to AP.
"It's a human achievement without equal."
Building began on the structure on 21 September 2004, and is expected to be completed in 2008.
The spire of the building is expected to be able to be seen from 100km (60 miles) away.
"It's a fact of life that, at some point, someone else will build a taller building," Mr Sang said.
"There's a lot of talk of other tall buildings, but five years into Burj Dubai's construction, no one's started building them yet."
Previous skyscraper record-holders include New York's Empire State Building at 381m (1,250 ft); Shanghai's Jin Mao Building at 421m (1,381 ft); Chicago's Sears Tower at 442m (1,451 ft) and Malaysia's Petronas Towers at 452m (1,483 ft).
The CN Tower, in Toronto, Canada, is the world's tallest freestanding structure, at 553m (1,815.3 ft).
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Dubai tower is now 'world's tallest'
DUBAI, United Arab Emirates (AP) -- Developers of a 1,680-foot (512 meters) skyscraper still under construction in oil-rich Dubai has claimed that it has become the world's tallest building, surpassing Taiwan's Taipei 101 which has dominated the global skyline at 1,667 feet (508 meters) since 2004.
The Burj Dubai is expected to be finished by the end of 2008 and its planned final height has been kept secret. The state-owned development company Emaar Properties, one of the main builders in rapidly developing Dubai, said only that the tower would stop somewhere above 2,275 feet.
When completed, the skyscraper will feature more than 160 floors, 56 elevators, luxury apartments, boutiques, swimming pools, spas, exclusive corporate suites, Italian fashion designer Giorgio Armani's first hotel, and a 124th floor observation platform.
After North American and Asian cities marked their 20th century economic booms with skyscrapers, the Gulf grew eager to show off its success with ever taller buildings. In Dubai, long an oil-rich Gulf symbol of rapid economic growth, the building reflects the city's hunger for global prestige.
"It's a symbol of Dubai as a city of the world," said Greg Sang, the project director for Emaar Properties.
Mohammed Ali Alabbar, chairman of Emaar, said it will be an architectural and engineering masterpiece of concrete, steel and glass. Dubai has "resisted the usual and has inspired to build a global icon," he said.
"It's a human achievement without equal."
The $1 billion skyscraper is in the heart of downtown Dubai, a 500-acre development area worth $20 billion. Construction, which began just 1,276 days ago, has been frenzied -- at times, one storey rises every three days.
The tip of the Burj's spire will be seen for 60 miles, developers say. But Sang knows it will not dominate the world's skyline forever.
"It's a fact of life that, at some point, someone else will build a taller building," he said. "There's a lot of talk of other tall buildings, but five years into Burj Dubai's construction, no one's started building them yet," he said.
Previous skyscraper record-holders include New York's Empire State Building at 1,250 feet; Shanghai's Jin Mao Building at 1,381 feet; Chicago's Sears Tower at 1,451 feet; and Malaysia's Petronas Towers at 1,483 feet.
The Burj will let the Middle East reclaim the world's tallest structure. Egypt's Great Pyramid of Giza, built around 2500 B.C., held the title with its 481 feet (147 meters) until the Eiffel Tower in Paris was built in 1889 at a height of 985 feet (300 meters), or 1,023 feet (312 meters) including the flag pole.
The company says the Burj will fulfill the Chicago-based Council on Tall Buildings and Urban Habitat's four criteria for the tallest building: the height of the structural top, the highest occupied floor, the roof's top, and the spire's tip, pinnacle, antenna, mast or flag pole.
For now, the unattractive brownish concrete skeleton jutting into Dubai's humid skies lacks any aura of a masterpiece. Rising 141 floors with a mass of surrounding cranes and girders, it has no windows, glass or steel yet.
The architects and engineers are American and the main building contractor is South Korean.
Most of the 4,000 laborers are Indian. They toil around the clock in Dubai's sizzling summer with no set minimum wage. Human rights groups regularly protest against labor abuse in Dubai, but local media rarely report such complaints.
