Ключевые слова: architecture, autumn, built, canal, closing, cold, conservation, construction, cultures, dam, drop, environmental, equipment, falling, flood, flowing, gate, history, industry, level, locations, material, mill, north, object, obsolete, old, opening, outdoors, past, plank, power, regulate, river, running, sluice, station, stone, stream, surface, temperature, travel, water, waterfall, waterfront, watermill, wheel, wood,