Ключевые слова: 50s, 5559 years, african ethnicity, architecture, associate, audience, auditorium, black, business, businessman, conference, confidence, confident, congress, convention, corporate, demonstrating, education, entertainment, executive, fun, global, guest speaker, happiness, happy, indoors, large group of people, leader, leadership, lecture, lecturer, male, man, mature adult, mature men, meeting, open arm, part of, performance, presentation, professional, public, public speaking, seats, seminar, smiling, speaker, speaking, spectators, speech, stage, standing, teamwork, theater hall, together, training, well dressed, woman, workshop,