People swimming in hot spring. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282261/free-photo-image-swimming-hot-spring-icelandFree Image from public domain licenseA hot spring in Iceland; people in the foreground. Coloured aquatint by F. Chesham, December 1796. https://www.rawpixel.com/image/13951577/image-dog-cloud-personFree Image from public domain licenseGeography: hot springs in Iceland, with vegetation in the foreground. Coloured wood engraving by C. Whymper. https://www.rawpixel.com/image/13964759/image-cloud-person-artFree Image from public domain licenseNature lagoon landscape mountain. AI generated Image by rawpixel. https://www.rawpixel.com/image/12814666/nature-lagoon-landscape-mountain-generated-image-rawpixelView licenseNature lagoon landscape outdoors. AI generated Image by rawpixel. https://www.rawpixel.com/image/12814670/nature-lagoon-landscape-outdoors-generated-image-rawpixelView licenseClear blue water and sky with hot rock spring in Blue Lagoon spa, Reykjavik Iceland. Original public domain image from… https://www.rawpixel.com/image/3297665/free-photo-image-spa-nature-geothermal-backgroundFree Image from public domain licenseMale hiker at Landmannalaugar in the Fjallabak Nature Reserve, the Highlands of Iceland https://www.rawpixel.com/image/1205970/traveler-landmannalaugarView licenseMound and pipe after the "Geyser" hot water springs in Iceland have erupted. Coloured engraving by F. Chesham, 1797, after a… https://www.rawpixel.com/image/13977533/image-cloud-horse-personFree Image from public domain licenseStrokkur Geyser, Selfoss, Iceland. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295032/free-photo-image-abies-cc0-creative-commonsFree Image from public domain license