Ключевые слова: architecture, asia, background, beautiful, beauty, blue, building, city, cityscape, clean, clear, downtown, famous, green, han river, high, hiking, hill, korea, landmark, landscape, looking, march, mountain, mountains, nature, outdoor, park, peaceful, peak, river, seoul, sky, skyline, top, tour, tourism, tower, travel, tree, trees, urban, view, view view at top, viewpoint, wide,