Ключевые слова: architecture, armchair, audience, bench, big, building, business, chair, conference, conference hall, conference room, congress, congress hall, congress room, dolnoslaskie, europe, event, fold, folding chair, gray, hall, indoor, inside, interior, lamp, light, lower, lower silesia, poland, presentation, projector, room, science, science and technology, screen, seat, seating, silesia, stairs, steps, technology, trench, university, university of science and technology, wall, walls, wood, wooden, wooden walls, wroclaw,