East of Reykjavik, Iceland lies the mountain, Hengill. Hengill was formed from a Palagomite tuff, it is a central volcano and has a giant magma chamber beneath it. When thick basalt lava flows cool, they form hexagonal cracks, called columnar joints. These can be found also in Ireland & Scotland.
De l'art gratuit dans la nature. La lave d'un volcan crée des structures et des plis comme des drapés qui peuvent stimuler l'inspiration. // Free and natural art found in nature. Lava from a volcano creates structures and drape-like folds that can be quite inspiring.