Megastructures: Rock Eaters of Iceland (2006)
Douban
伟大工程巡礼：巨大挖掘机
género:
Documentary
região:
Estados Unidos
idioma:
Inglês
duração: 47m
data de lançamento: 2006
visão geral
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.