Ключевые слова: arcachon, architecture, background, barnacles, blue, coast, concrete, deep, depth, design, device, environment, environmental, equipment, europe, gauge, high, indicator, industry, isolated, ladder, level, marker, measure, measurement, measuring, monitor, nature, object, ocean, old, outdoor, outdoors, ruler, rusty, scale, sea, steel, step, tidal, tide, vertical, vintage, water, water gauge, water level,