Megastructures

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