Ключевые слова: activity, air, alone, aqua, aqualung, aquatic, beautiful, black, blue, breath, danger, deep, depth, diver, diving, extreme, freediving, freedom, gear, instructor, landscape, lesson, lonely, man, marine, ocean, oceanic, open, outdoor, padi, person, photo, quiet, ray, sea, seawater, silhouette, sport, sportsman, still, sun, sunlight, surface, swim, undersea, underwater, vacation, view, water, wet,