Uploaded September 2025 | Updated September 2026, 3 weeks ago

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The Beipanjiang First Bridge in China's remote Guizhou Valley stands as the highest bridge on Earth. Engineers have bridged a staggering 565-meter gorge, famously known as "the crack in the earth," connecting previously divided communities. Its 20,000-tonne steel deck is a true marvel.

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Impossible Engineering looks at the history of pioneering modern-day mega structures. Behind every seemingly impossible marvel of modern engineering is a cast of historic trailblazers who designed new building techniques, took risks on untested materials and revolutionized their field.

This film was first broadcast: 2020

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Discover the best science, technology, and engineering shows. Explore amazing experiments, groundbreaking inventions, and the secrets behind incredible builds. Ignite your curiosity!

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