Ключевые слова: adult, attractive, audience, board, briefing, business, businessman, businesswoman, caucasian, center, coach, communication, congress, convention, cooperation, corporate, discussion, education, event, explaining, group, hall, indoors, information, leader, leadership, lecture, lecturer, listeners, male, manager, meeting, office, participants, people, person, podium, portrait, presentation, professional, public, room, screen, seminar, speaker, speech, team, training, woman, young,