Stock photography, photos: Two hikers on the askja volcano Stock photos of Iceland Two Hikers On The Askja Volcano Crater With The Viti Lake Photograph: © Sami Sarkis Click for a larger image and more information Keywords associated with this stock photo: Cor041, Iceland, Two, Hikers, On, The, Askja, Volcano, Crater, With, The, Viti, Lake, Calm, Water, Active, Volcano, Volcanoes, Volcanic, Caldera, Travel, Landscape, Wild, Nature, Lava, Sulphur, Sulphur, Sulphurous, Sulphurous, Smoke, Walk, Walker, Walking, Trek, Trekking, Hike, Hiking, Hiking, Outdoors, Smell, Day, Geothermal, Activity, Rock, Formation, Inhospitable, Snow, Snowy, Black, Tan, Brown