Gotthard Base Tunnel: The World's Longest Railway Tunnel
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The Channel Tunnel: Planned Since 1802
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Why Switzerland drilled the Alps like cheese?
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A Maior Fazenda Eólica do Mundo tem um Pequeno Problema
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Troll A Platform: The Heaviest Structure Ever Moved
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Europe's $45BN Mega Tunnels through the Alps
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The Ten-T Network: The Incredible Vision to Connect All of Europe
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🇮🇹🇨🇭Viagem de Itália à Suíça através do túnel ferroviário mais longo do mundo | Gotthard Base Tunnel
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