Ключевые слова: assembly, auditorium, building, city, communication, computer, conference, conversation, crowd, debate, discussion, display, elevated, forum, gathering, house, indoor, indoors, industry, interior, internet, job, lecture, media, meeting, modern, news, performance, phone, platform, podium, room, screen, seminar, service, smart, speaker, speaking, speech, spotlight, street, talk, talking, technology, training, urban, view, work, working,