Switzerland - Jon Pertwee
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Lac Mauvoisin

This is a man made lake, formed by creating a dam at a natural thin part of the valley. The outflow of the lake provides about 300,000Mw. The lake is fed by melting glacial water, the water cascade in the foreground is the result of a natural underground tunnel formed below the above glacier and exiting the rock where the sedimentary rock meets harder granite. The noise is incredible.

LacLac MauvoisinSuisseSwitzerlandValaislake