Ключевые слова: animal, background, beak, beautiful, bird, birds, black, blue, building, bulgaria, calmly, cygnus, europe, feathers, iskar, lake, landmark, landscape, majestic, mountain, nature, old, one, outdoor, park, perth, pond, red, religion, rila, river, samokov, scenery, sky, swan, swans, swim, tourism, travel, view, water, white, wild, wildlife,