Ключевые слова: 4k, adult, audience, authentic, business, businessman, businesspeople, businessperson, businesswoman, career, caucasian, colleague, conference, corporate, diverse, education, ethnic, ethnicity, female, film, formal, group, inside, job, laughing, learning, lecture, looking, male, man, meeting, modern, natural, office, person, presentation, professional, real, seminar, sitting, suit, team, training, video, woman, worker, working, workplace, workshop, young,