Ключевые слова: autumn, beautiful, blue, canyon, cliff, danube, day, djerdap, environment, europe, fall, flow, gorge, green, high, landmark, landscape, light, mountain, mountains, national, natural, nature, orange, outdoor, park, river, riverbank, rock, rocky, romania, romanian, scene, scenery, scenic, serbia, serbian, sky, sunny, sunset, tourism, travel, view, water,