Ключевые слова: academic, academy, audience, auditorium, back, backgrounds, briefing, business, businessman, businesswoman, career, chair, collaboration, community, conference, congress, convention, cooperation, corporate, crowd, curve, development, discussion, education, engagement, entrepreneur, event, expert, focus, forum, group, hall, horizontal, illuminated, indoor, interest, learning, lecture, listening, man, meeting, people, presentation, professional, seminar, sitting, speaker, training, woman, workshop,