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 jokuls a dal day outdoors dams hydro electric polar regions people one person portraits one man only man men head and shoulders waist up walker walkers walking water spray horizontal