Petronas Twin Towers, Kuala Lumpur, Malaysia

The Petronas Twin Towers are the tallest twin buildings in the world. They were designed by architect Cesar Pelli and completed in 1998. At that time they were tallest buildings in the world. The depth of the bedrock on which they were constructed is such that the buildings were built on the world’s deepest foundations. The 88-floor towers are constructed of reinforced concrete, with a steel and glass facade designed to resemble motifs found in Islamic art. A unique two-storey skybridge connects the towers between the 41st and 42nd floors.

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