National Geographic Channel MegaStructures

Icelandic Super Dam (4x12)

Ημερομηνία προβολής: Ιουν 18, 2008

This episode looks at the Karahnjukar Hydroelectric Project in Iceland - an audacious engineering feat that includes the building of Europe's highest dam, the drilling of 30-mile-long tunnels and the construction of a gigantic underground power plant.