Why A Mile-High Skyscraper Is Almost Impossible | Pushing Limits

How tall could we really build? After a century of competition, skyscrapers are reaching new extremes: Saudi Arabia's upcoming 1-kilometer-tall Kingdom Tower in Jeddah will triple the Empire State Building's height. In this episode of "Pushing Limits," we climbed inside the hidden parts of the world's tallest towers and talked to the people who built them to ask: What would it take to build a mile-high tower? Who would pay for it? And why do we keep reaching higher?

Courtesy of Business Insider on YouTube. Watch on YouTube ↗

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