Megastructures: Rock Eaters of Iceland (2006)
Douban
伟大工程巡礼：巨大挖掘机
genre:
Documentary
område:
USA
sprog:
Engelsk
længde: 47m
udgivelsesdato: 2006
overblik
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.