Ключевые слова: arrangement, attendance, audience, auditorium, business, ceremony, concept, conference chair, convention, design, education, empty chairs, entertainment, event, event hall, event seats, furniture, group people, hall, in row, indoor, interior, lecture, many, meeting, modern, no people, nobody, office, order, pattern, performance, perspective background, plastic, presentation, press, rental, room, rows, screen, seat, seating, seminar, sit, stage, stool, study, style, symmetrical pattern, teacher,