Why Europe is Building a 57KM Tunnel Through a Mountain

Why Europe is Building a 57KM Tunnel Through a Mountain

Talk about Tunnel Vision!!

Etihad Rail's mighty mole bores through Hajar mountains to pave way for tracks

World's longest rail tunnel opens in Switzerland

Why Europe is Building a 57KM Tunnel Through a Mountain

Why Europe is Building a 57KM Tunnel Through a Mountain

Gotthard tunnel: World's longest and deepest rail tunnel opens in Switzerland - BBC News

Europe opens the longest tunnel in the world, 57km, under the Swiss Alps — MercoPress

Tunnelling for physics – CERN Courier

Europe Drilling Mountains To Build The World's Longest Tunnel

World's longest railway tunnel in Switzerland will travel at 155mph for 35 miles

Gotthard Base Tunnel Opening Ceremony

Gotthard Base Tunnel, Definition, Switzerland, Opening, & Facts

Long-distance tunneling; Challenges and trends of large projects in Europe – T&UC Magazine

Gotthard Base Tunnel opens for passenger transport, Press, Company