Ключевые слова: asia, asian, batak, countryside, danau toba, exotic, greenery, high, holiday, indonesia, indonesian, karo, lake, lake toba, lakeside, landscape, medan, mountain, nature, north, north sumatra, panorama, piso, river, rural, scenery, sipiso, sipisopiso, suburb, sumatera, sumatra, tao, tapanuli, toba, tongging, tourism, travel, trekking, vacation, view, village, water, waterfall,