Ключевые слова: ancient, architecture, beautiful, boyna, building, bulgaria, capital, center, city, cityscape, color, culture, day, district, europe, field, land, landmark, landscape, light, motion, night, outdoor, park, place, red, reflection, road, roof, scene, sky, sofia, street, summer, sunset, tourism, tourist, tower, town, travel, urban, vacation, valley, view, village,