Page last updated at 16:40 GMT, Monday, 4 January 2010

Burj Khalifa: The world's tallest building

The Burj Khalifa, the newly-opened Dubai tower, is a multiple record breaker.

As well as becoming the tallest building in the world, the skyscraper is the tallest structure and boasts the most storeys and highest occupied floor. Its 124th floor outdoor observation deck is also the world's highest, and its elevators will travel the longest distance.

The US $1.5bn (UK £930m) tower is more than twice the size of the Empire State Building and its construction took thousands of workers six years to complete.

Graphic showing the detail of the Burj Khalifa tower
1. The Burj, which stands at 828m high (2,716ft) and has more than 162 inhabitable floors, can be seen from 60 miles away
2. The top of the building features a public observation deck and shop. The world's highest mosque and swimming pool are located on the 158th and 76th floors
3. The tapering spire is made out of reinforced concrete, steel, stainless steel and glass. The exterior cladding of reflective glazing is designed to withstand Dubai's extreme summer temperatures
4. The building contains more than 1,000 apartments and 49 floors of office space, served by 57 lifts. There are a total of four swimming pools and a private library
5. A 160-room hotel carrying the Giorgio Armani logo will occupy the lower part of the tower
6. The foundations were dug to depths of 50m (164 ft).
Source: Emaar/Reuters

The tower is the centrepiece of a 500-acre development and contains luxury apartments and offices, and a hotel designed by Giorgio Armani.

Construction began in 2004 and building is said to have so far taken 22 million man hours.

Graphic showing the construction of the Burj Dubai
1. The tower is composed of three elements arranged around a central core. The design is said to be based on the desert flower Hymenocallis native to the region
2. The Y-shaped floor plan aims to maximize views of the Gulf. As the building rises, its floor space decreases in size
3. The building's core also features double-decker lifts, said to be some of the fastest in the world.
Source: Emaar/Reuters

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