Work continues on a newly built defence wall around the landmark thermal sea water bath, the Blue Lagoon and power plant Svartsengi behind it near Grindavik, western Iceland on December 21, 2023. Icelandic authorities are near to finnish building protective walls around the geothermal power plant in the country's southwest to protect it from lava flows, as officials hope to protect the Svartsengi plant. A volcanic eruption began on Monday night in Iceland, south of the capital Reykjavik, following an earthquake swarm, Iceland's Meteorological Office reported. (Photo by Halldor KOLBEINS / AFP)