Ключевые слова: alternative, background, beautiful, blue, bridge, canal, countryside, day, eco, ecological, ecology, efficiency, electricity, energy, environment, environmental, equipment, generation, industry, landscape, many, mill, outdoors, power, production, propeller, renewable, resource, river, riverside, road, rotation, sailboat, season, sky, source, spring, station, sunny, sustainability, sustainable, technology, turbine, turbines, vessel, view, water, wind, windfarm, windmill,