Ключевые слова: architecture, attraction, build, building, bulgaria, bulgarian, capital, center, centre, city, cityscape, cloud, cloudy, communist, conference, culture, europe, event, exhibition, famous, fountain, garden, hall, icons, landmark, national, national palace of culture, ndk, night, outdoor, palace, panorama, panoramic, park, photo, scene, sight, sightseeing, sky, sofia, square, sunset, tourism, tourist, touristst, urban, vast, view, water,