News about 'world’s longest tunnel'

Oct 16, 2010

Switzerland celebrates the world’s longest tunnel breakthrough

Switzerland celebrates the world's longest tunnel breakthrough
By in Europe, World No comments

Switzerland now celebrates the world’s longest tunnel breakthrough, according to international news a few hours ago. This is after Swiss engineers and workers from both ends meet, which marked as people have dubbed it as the world’s longest tunnel. A massive drilling machine called ‘Sissi’, which is about 10 meter in diameter, has been a […]