Ключевые слова: agriculture, background, beautiful, blue, brook, canal, channel, country, countryside, current, dreisam, ecology, environment, europe, field, flow, flowing, forest, freiburg, grass, green, irrigation, landscape, line, meadow, narrow, natural, nature, nobody, outdoor, park, quiet, reflection, river, rural, scene, scenery, season, sky, straight, stream, summer, sunlight, surface, tree, water,