Ключевые слова: arch, architecture, attraction, auditorium, balboa, balboa park, blue, building, california, concerts, construction, copyspace, culture, exterior, famous, free, history, landmark, music, open air, organ, outdoor, outdoor organ, outdoors, outside, park, people, performances, pipe organ, san diego, seating, sky, spreckels, spreckels organ pavilion, stage, summer, tourism, tourist attraction, travel, trees, usa, vacation, venue,