August 25, 2015 21:08 IST

World's longest tunnel under Swiss Alps

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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters
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Progress on the NEAT Gotthard Base Tunnel, the world's longest train tunnel, that will allow for crossing the Alps at the end of 2016. Credit: Reuters