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Big Bigger Biggest: Skyscraper

The Burj Dubai is the tallest man-made structure on earth at nearly half a mile high. To fully understand the complexity of this engineering marvel, NGC examines seven landmark buildings whose contributions in structure and design made it possible for the Burj to soar to record heights. From the climbing cranes used to construct the World Trade Center to the exoskeleton tubes of the Sears Tower, well reveal the ingenious leaps that enabled skyscrapers to evolve, from Big, Bigger, Biggest. 

 

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