Ключевые слова: architecture, audience, auditorium, ceremony, chair, communication, conference call, convention center, convention hall, copy space, design, education, empty, europe, explaining, forum, group of people, in a row, jagiellonski uniwersytet, learning, light, meeting, modern, nobody, podium, poland, political rally, presentation, press conference, seat, seats, seminar, speech, stage, stairs, stool, summit, talking, teaching, training, video conference, video wall, yellow,