Ключевые слова: audience, background, boardroom, briefing, business, businessman, chair, closeup, coach, coaching, conference, congress, convention, corporate, desk, discussion, education, event, explaining, group, hall, image, indoors, institute, knowledge, laptop, lecture, man, manager, meeting, meetings, microphone, people, podium, presentation, professional, public, screen, seminar, sitting, speaker, speech, summit, talk, teaching, technology, training, unrecognizable, view, workshop,