Workers use bicycles to get around the underground plant at the Fljotsdalur hydro power station part of Karahnjukar a massive new contorversial hydro electricity project in North East Iceland, Polar Regions

iceland vatnajokull karahnjukar hydro hydro electricity renewable energy clean green carbon neutral engineering modern electricity production climate change global warming power station hydro electric hydro power station underground fljotsdalur bike bicycle day indoors people man men woman women work transport bicycles cycle cycles power stations horizontal