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Big, Bigger, Biggest

Big, Bigger, Biggest - Season 2 Episode 1

Big, Bigger, Biggest 2009 -

  • Title: Big, Bigger, Biggest - Season 2 Episode 1
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  • Alternative Titles: Velký, větší, největší, Giganten der Moderne, Siêu Công Trình
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Overview:Unearth the technological leaps forward that have allowed the world's longest tunnel - the Gotthard Base Tunnel - to be built. The Gotthard Base Tunnel stretches 57 kilometres through the heart of the Swiss Alps. It is deeper than any other tunnel on Earth and paves the way for a vital high-speed rail link between Zurich and Milan. 2000 workers and four gigantic tunnel boring machines work flat-out to excavate 24 million tonnes of mountain rock to complete the tunnel. Explore how this structure was made possible through a series of six engineering breakthroughs. See how six landmark tunnels - including the Thames Tunnel and Channel Tunnel - each feature an ingenious technological innovation that have enabled tunnels to grow ever longer.

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First Air Date: Apr 01, 2008 Last Air date: Aug 09, 2011 Season: 3 Season Episode: 20 Episode Runtime: 50:14 minutes Quality: HD IMDb: 4.2 / 10 by 6 users Popularity: 4.4625 Language: en

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