Ключевые слова: adventure, autumn, background, balkans, beauty, blue, canyon, cliff, cloud, countryside, dam, environment, europe, flowing, forest, green, high, hill, holiday, lake, landmark, landscape, meander, mountains, national, nature, outdoors, panorama, paradise, park, river, rock, rocky, scenery, scenic, sky, spring, stone, stream, summer, sunny, tourism, travel, trees, vacation, valley, view, viewpoint, water, wild,