Ключевые слова: architecture, beautiful, beauty, belief, buildings, bulgaria, bulgarian, castle, chapel, christian, church, clouds, cloudscape, colorful, culture, dawn, dramatic, environment, europe, evening, green, hill, historic, history, holiday, landmark, landmarks, landscape, light, mountain, nature, night, old, orange, outdoor, outdoors, religion, rural, scenic, sky, spring, stones, summer, sun, sunlight, sunrise, sunset, travel, trees, view,