Ключевые слова: aerial, aerial view, air, architecture, building, chimney, chp, chp plant, city, cloudy, ecology, energy, environment, environmental, espoo, europe, european, evening, factory, finland, finnish, frost, fuel, heating and cooling, industrial, industry, nordic, pipe, plant, pollution, power, production, sky, smog, smoke, snow, station, steam, sun, sunset, suomenoja, suomi, technology, tube, urban, winter,