Ключевые слова: austria, beautiful, bed, blue, boat, brook, central, channel, cityscape, creek, danube, donau, donaupark, drainage, europe, flow, flowing, freshwater, geographic, geography, hydrological, landscape, linz, lush, natural, nature, osterreich, outdoor, park, reflection, republic, river, riverbank, shore, spring, stream, surface, travel, upper, urban, water, watercourse, wild, wilderness,