Summary The Eastern Highland, a vast plateau 100 miles south of the Artic Circle, is the site of a bold challenge of extreme engineering. World-class tunnel diggers are carving more than 45 miles of tunnels through solid rock hundreds of feet underground.
Directed : Unknown
Written : Unknown
Stars : Larc Spies John Littlefield Danny Forster Joseph Giotta
Genres : Documentary
Countries of origin : United States
Official sites : Discovery Channel
Language : English
Filming locations : Atlantic Ocean
Production companies : Discovery Channel Pictures Powderhouse Productions
Summary The Eastern Highland, a vast plateau 100 miles south of the Artic Circle, is the site of a bold challenge of extreme engineering. World-class tunnel diggers are carving more than 45 miles of tunnels through solid rock hundreds of feet underground.
Genres : Documentary
Countries of origin : United States
Official sites : Discovery Channel
Language : English
Filming locations : Atlantic Ocean
Production companies : Discovery Channel Pictures Powderhouse Productions
