Ключевые слова: activity, aerial, atmospheric, background, beautiful, countryside, east attica, europe, exterior, famous, fog, foggy, forest, gloomy, greece, green, hazy, hellenic, hill, hills, landscape, light, moody, mountain walk, mountains, mystery, natural, nature, outdoor, panorama, panorama nature, panoramic, panoramic landscape, panoramic view, pendeli, penteli, penteli mountain, perspective, scenery, sky, tourism, tourist, travel, tree, trekking, vacation, valley, view, wilderness,