World's Most Complex Tunnel Project: The Mega Dig | Complete Season | FD Engineering

World's Most Complex Tunnel Project: The Mega Dig | Complete Season 1 | FD Engineering Discover how engineers begin one of the most ambitious tunnel projects ever attempted beneath the heart of London. Using giant tunnel boring machines and millimeter precision, they battle unstable ground, historic buildings, and enormous technical challenges to create the foundations of a revolutionary railway.

Courtesy of Free Documentary - Engineering on YouTube. Watch on YouTube ↗

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