
National Geographic - Megastructures: Rock Eaters of Iceland
English | HDTV 720p | DiCH | H264 1280x720 25.00fps | AC3 384Kbps 48000Hz 6ch | 47min | 1.09GB
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.








