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5. The Kingdom Tower
Location: Jeddah, Saudi Arabia
Total Cost: $1.23 Billion*
Year Finished: Construction on Hold
Originally slated to become the highest man-made skyscraper, the Kingdom Tower in Saudi Arabia was derailed by the COVID-19 outbreak. In 2020, the construction of the tower was once again postponed, making it more than seven years since the massive project began.
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Hany Musallam/Shutterstock, Kingdom Tower
When finished, the building, which was designed by Chicago's Adrian Smith and Gordon Gill Architecture, will be the first in the world to reach a height of one kilometre at 3,308 feet. The tower was initially intended to be constructed to a staggering 1.6 km in height, but it was decided against it in order to preserve the local geology.
