Ключевые слова: armchair, audience, auditorium, business, chairs, classical, color, computer, conference, congress, convention, education, empty, entertainment, event, furniture, group, hall, indoors, interior, lecture, line, meeting, microphone, modern, nobody, office, pattern, performance, platform, podium, premiere, presentation, public, report, room, rostrum, row, screen, seats, seminar, show, sitting, speaker, speech, stage, table, training, tribune, velvet,