Ключевые слова: architecture, auditorium, building, business, center, chair, chairs, class, classroom, color, comfortable, concert, conference, congress, convention, education, empty, event, floor, group, hall, indoors, interior, meeting, modern, nobody, office, pattern, plastic, presentation, professional, room, row, seat, seats, seminar, show, sit, sitting, theater, theatre, theatrical, university, view, yellow,