Ключевые слова: 4044 years, 40s, architecture, associate, audience, auditorium, business, businessman, caucasian, caucasian ethnicity, conference, confidence, confident, congress, convention, corporate, demonstrating, discussing, education, entertainment, global, guest speaker, indoors, interacting, large group of people, leader, leadership, lecture, lecturer, looking, male, man, mature adult, mature men, meeting, occupation, part of, performance, podium, presentation, professional, public, public speaking, seating, seats, seminar, smiling, speaker, speaking, spectators, speech, stage, standing, suit, teamwork, theater hall, together, training, woman, workshop,