Mountaineer by the overspill from the Karahnjukar dam and Halslon reservoir, North East Iceland, Iceland, Polar Regions

iceland vatnajokull karahnjukar hydro hep dam hydro electricity renewable energy carbon neutral dam halslon water power electricity modern electricity production climate change global warming structure jokuls a dal day outdoors industry dams hydro electric reservoir reservoirs polar regions overflow overflowing people one person scale overspill horizontal