9 Season
158 Episode
MegaStructures - Season 0 Episode 20 Deep Earth Drillers
Behind the scenes of geothermal power complexes in California and Iceland, and a look at how scientists hope to expand its use by digging deeper into the Earth's crust.
- Year : 2012
- Country : United States of America
- Genre : Documentary
- Studio : National Geographic
- Keyword :
- Director :
- Cast :
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