Gotthard Base Tunnel breakthrough

Name: Gotthard Base Tunnel breakthrough
Uploaded: 2015-07-16T00:00:00+00:00
Duration: 205 s
Description: The tunnel-boring contractor's record of the 2010 and 2011 breakthroughs in the eastern and western bores.

JUL 16 2015

The tunnel-boring contractor's record of the 2010 and 2011 breakthroughs in the eastern and western bores.

Source: YouTube

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Gotthard Base Tunnel breakthrough

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