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The Insane Scale of Europe’s New Mega-Tunnel

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The $2.8BN Megaproject Dividing London

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The $12TRN Transatlantic Tunnel Proposal

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The $15BN Tunnel That CHANGED Europe

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The Secret Jewish Tunnels that Sparked a Brooklyn Riot Explained

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Denmark's $8bn Lego-Like Tunnel to Germany

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The $190 Million Tunnel Built for Just 1200 People

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New Yorks Underwater Tunnel - The History of the Holland Tunnel

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The Strange Story of the Synagogue with Secret Tunnels in NYC

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New York’s $29.5BN Mega-Tunnel

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New York's $16BN Hudson River Tunnel

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WWII Tunnels: Major attraction gets facelift and new event space

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Mole People - Living in the Tunnels Beneath New York

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The Tunnel That's Failing New York City

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Man-made tunnels connecting tents to generator found in Hamilton, Ontario

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