Megastructures
Iceland's Big Dig (2007x3)
Udgivelsesdato: Maj 05, 2007
In Iceland, a giant tunnel boring machine called `Jaws' has chewed up nine miles of basalt to aid a hydroelectric project. See the rock cruncher at work as it burrows deep down.
- Premieret: Sep 2004
- Afsnit: 162
- Følgere: 10
- Kørende
- National Geographic
- Tirsdag på 20