Ключевые слова: area, askja, background, backlight, caldera, central highlands, cold, crater, daylight, desolate, dramatic, eruption, extreme, frozen, geological, geothermal, glacial, iceland, icelandic, island, isolated, isolation, lake, landform, landmark, landscape, lava, location, mountain, natural, nature, nested calderas, nobody, outlook, rock, scenery, snow, vatnajokull national park, viti, viti caldera, volcanic, volcano,