Revealed: first images of Saudi's Kingdom Tower

Backed by Saudi billionaire Prince Alwaleed, the tower is expected to be the world's tallest, reaching over 1km in height
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Kingdom Holding, the Saudi firm owned by billionaire businessman Prince Alwaleed, has signed a construction contract to build the world’s tallest tower in Jeddah. US-based Adrian Smith and Gordon Gill are the design architects of the project\n(All images: © Adrian Smith + Gordon Gill Architecture)
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The tower’s height will be at least 173m (568 ft) taller than the world’s current tallest building, Dubai’s 828m tall Burj Khalifa.
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At more than 1,000 meters (3,280 feet) and a total construction area of 530,000 sqm (5.7m sq ft), Kingdom Tower will be the centerpiece and first construction phase of the Kingdom City development on a 5.3m sqm site in north Jeddah
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Kingdom Tower will feature a Four Seasons hotel, Four Seasons serviced apartments, Class A office space, luxury condominiums and the world’s highest observatory, the building's design architects, Adrian Smith and Gordon Gill said in a statement Tuesday
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Design development of the tower is under way, with construction to begin later. Kingdom Tower will cost approximately $1.2bn to construct, while the cost of the entire Kingdom City project is estimated to be $20bn
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The tower will also feature a sky terrace, roughly 30 meters (98 feet) in diameter, at level 157. It would be an outdoor amenity space intended for use by the penthouse floor
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Another view of the sky terrace
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The streamlined form of the tower was inspired by the folded fronds of young desert plant growth, Adrian Smith & Gordon Gill Architecture said
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The 23-hectare Kingdom Tower Waterfront District, which surrounds the tower and which will include residential and commercial buildings, a shopping mall, high-quality outdoor spaces and other amenities (Image: © Adrian Smith + Gordon Gill Architecture)
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Binladin Group, one of the kingdom’s biggest contractors, won the $1.2bn deal for the project, which will include a hotel, serviced apartments, luxury condominiums and offices, and will occupy a 500,000 sq m area (Image: © Adrian Smith + Gordon Gill Architecture)