MegaStructures

MegaStructures

7.30/10 2012-05-24 60 의사록. HD This episode looks at the Karahnjukar Hydroelectric Project in Iceland - an audacious engineering feat that includes the building of Europe's highest dam, the drilling of 30-mile-long tunnels and the construction of a gigantic underground power plant. : 사진관: 국가:
Partner

MegaStructures