Ключевые слова: adventure, alertness, ancient, background, beauty, black, blue, building site, clear, colorfull, colors, colours, countryside, diving, diving into water, europa, exploring, extreme sports, frogman, green, heaven, horizontal, industrial archeology, italy, light blue, limpid, magic, mill, narni, nature, naval, nera, people, place, plant, reflection, river, ruins, scuba diver, source, sport, sports and fitness, stifone, sun, surface level, umbria, underwater, water, water surface, wave,