Ключевые слова: audience, business, businessman, businesswoman, conference, congress, convention, corporate, crowd, delegates, editorial, education, entertainment, entrepreneur, event, forum, group, hall, indoors, interior, international, lecture, lecturer, listeners, man, manager, meeting, participants, people, presentation, professional, row, seminar, sitting, speaker, speech, stage, symposium, teaching, top, training, view, woman, workshop,