Hot springs and geothermal ground on the Reykjanes peninsula, Iceland, Polar Regions

iceland reykjavik reykjanes geothermal vulcanicty geology plate tectonics tectonic hot earth ground mineral minerals colour reykjanes steam steaming hot pool geothermal heat hot springs hot pools energy day outdoors close up close ups nature natural world topography thermal areas bubbling water geothermal polar regions surface processes physical geography horizontal