Ключевые слова: architecture, attraction, build, building, bulgaria, bulgarian, capital, centre, city, cityscape, cloud, cloudy, communist, conference, culture, europe, event, exhibition, famous, flower, fountain, garden, hall, icons, landmark, large, multifunctional, national, national palace of culture, ndk, outdoor, palace, panorama, panoramic, park, scene, sightseeing, sky, sofia, spring, square, tourism, tourist, urban, vast,