导演:
国家/地区:美国
时长:47分钟
语言/字幕:英语
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.
In Iceland, a giant tunnel boring machine called 'Jaws' has chewed up nine miles of basalt to aid a hydroe…