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Capital Gate Building: The Leaning Tower of Abu Dhabi
Capital Gate is an iconic leaning skyscraper located in Abu Dhabi adjacent to the Abu Dhabi National Exhibition Centre. At 160 meter (520 ft) and 35 stories, it is one of the tallest buildings in the city and leans at an astounding 18 degrees to the west, four times than the famous Leaning Tower of Pisa. In June 2010, the Guinness Book of World Records certified Capital Gate as the "World’s furthest leaning man-made tower."
To make this possible, the central core of the building slants in the opposite direction to the lean of the structure, and it straightens as it grows. The building sits on top of a 7-foot-deep concrete base with a dense mesh of reinforced steel. The steel exoskeleton known as the diagrid sits above an extensive distribution of 490 piles that have been drilled 100 feet underground to accommodate the gravitational, wind and seismic pressures caused by the lean of the building.
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