Ключевые слова: alte, architecture, blue, building, calendar icon, canarias, canary islands, concept, copyspace, daylight, desert, ecology, ecology icon, energy, environment, environment icons, environmental protection, europe, historic, historical, landmark, landscape, mediterranean, mill, natures, power, renewable energy, renewable energy icons, renewables, rotate, rotation, sky, spain, structure, structure background, summer, summertime, sun, symbol, technology, tourism, travel, vacations, vanes, white, wind, wind power, windmill, wood,