Ключевые слова: asia, background, batak, beautiful, beauty, blue, cloud, forest, greatest lake, green, hill, indonesia, indonesian, island, lake, lake toba, landscape, medan, mountain, mountains, natural, nature, north sumatra, outdoor, panorama, reflection, samosir, samosir island, scenery, scenic, sky, sumatera, sumatra, summer, toba, tourism, travel, view, volcano, water,