Ключевые слова: basalt, basaltic, beautiful, blue, canyon, cascade, cliff, cloud, cloudy sky, columns, crest, day, east, europe, falling, flow, flowing, geology, glacial, hengifoss, highest, iceland, icelandic, island, landmark, landscape, large, long exposure, mist, motion, mountain, natural, nature, power, powerful, red, river, rock, scenery, sky, smooth, spray, stones, stream, volcanic, water, waterfall, wilderness,