Ключевые слова: adults, amber, attentive, audience, auditorium, bokeh, business, businesspeople, chairs, conference, corporate, crowd, dark emerald, education, engaged, event, gathering, indoor, informative, large group, learning, lecture, light navy, light orange, listening, meeting, microphone, observing, office, panorama, perspective, portraits, presentation, professional, public speaking, rhetoric, screen, seminar, setting, slides, softfocus, spacious, stage, stylish, suit, technology, tie, trendy, wide shot, work,