Ключевые слова: background, beautiful, beauty, blue, bridge, bridges, canal, city, clear sky, cloud, clouds, countryside, czech republic, engineering, environment, europe, forest, grass, green, landscape, natural, nature, new, oder, odra river, ostrava, outdoor, outdoors, park, polish, reflection, reinforced concrete, river, river meander, scene, scenery, scenic, sky, springtime, structure, summer, tourism, transportation, travel, travel destination, tree, trees, urban, vegetation, view, water,