Ключевые слова: 3d, activities, architecture, arrangement, audience, auditorium, background, black, blank, building, business, chair, chrome, conference, congress, convention, design, discussion, education, empty, event, hall, indoor, interior, management, meeting, meetings, modern, new, nobody, office, pattern, perspective, plastic, presentation, professional, public, reflections, room, row, seat, seater, seating, seminar, show, stage, training, work,