Ключевые слова: architecture, arena, audience, auditorium, background, blank, business, chair, cinema, color, comfortable, concert, conference, design, empty, entertainment, event, furniture, hall, indoor, inside, interior, large, light, lobby, meeting, modern, musical, nobody, performance, presentation, public, room, row, seat, seating, seminar, show, sit, sitting, spectator, stage, theater, theatre,