Ключевые слова: amphitheater, architecture, audience, auditorium, chair, cinema, comfortable, competition, concert, conference, convention, design, empty, entertainment, event, grand, group, hall, indoor, interior, lecture, listening, meeting, modern, movie, nobody, pattern, perform, performance, play, public, room, row, scene, seat, seating, seats, show, stage, theater, theatre, unoccupied, vacant, vacated,