Geothermal plant boreholes Within these hexagonal structures are boreholes taking super hot water, steam, and gases from deep within the Krafla volcano. The gas, steam, and water is transported to the nearby Leibotn geothermal plant.
This image is from the presentation "A Tour of Elemental Iceland - Dettifoss, Hverir, Krafla, Goðafoss, Laufás, Akureyri".