Prince Willem-Alexander opens geothermal heat in The Hague
 description Prince Willem-Alexander of The Netherlands opens the first geothermal heat (aardwarmtecentrale) in The Hague, The Netherlands, 7 June 2012. Geothermal heat, also called geothermic energy, comes from the earthÕs core and flows up to the earthÕs crust. The temperature at the core is extremely hot: some 2,000 to 10,000 degrees Celsius. Photo: Patrick van Katwijk |
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options tags prince prins willem-alexander willem alexander aardwarmtecentrale centrale aardwarmte energie opening geothermal heat water navigation
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