This entry was posted in Twitter on January 25, 2015 by twilight #TIL The Gotthard Base Tunnel – railway tunnel in the heart of Swiss Alps will open on June 2, 2016 & they’ve been drilling it since 15yrs!
Reply ↓ hiway January 25, 2015 at 02:44 RT @twilightfairy: #TIL The Gotthard Base Tunnel – railway tunnel in the heart of Swiss Alps will open on June 2, 2016 & they’ve been drill…
Reply ↓ sushobhan1409 January 25, 2015 at 03:30 @twilightfairy The railway track to Jungfraujoch is also a remarkable engg feat considered the technology that was available 100 yrs ago.
RT @twilightfairy: #TIL The Gotthard Base Tunnel – railway tunnel in the heart of Swiss Alps will open on June 2, 2016 & they’ve been drill…
@twilightfairy The railway track to Jungfraujoch is also a remarkable engg feat considered the technology that was available 100 yrs ago.