Ключевые слова: adults, audience, auditorium, back view, business, businesspeople, collaboration, communication, conference, conference room, convention, corporate, crowd, development, discussion, education, engagement, event, female, forum, group, hall, indoor, information, knowledge, learning, lecture, listeners, listening, management, meeting, men, networking, notes, participation, people, presentation, professional, seats, seminar, session, speaker, stage, strategic, talk, team, training, woman, workshop,