Ключевые слова: architectural, architecture, balkan, beautiful, blue, branch, bulgaria, bulgarian, country, culture, design, environment, ethnographic, europe, european, exterior, facade, heritage, historic, history, home, house, landmark, natural, nature, old, outdoor, outdoors, park, plant, retro, rural, season, shutters, sky, spring, style, summer, tourism, town, tradition, traditional, travel, tree, view, window, wood, wooden, wooden shutters,