Ключевые слова: 4k, adult, authentic, business, businessman, businesspeople, businessperson, businesswoman, caucasian, conference, corporate, crowd, diverse, education, enjoying, entrepreneur, ethnic, event, female, film, formal, group, humor, inside, job, laughing, learning, lecture, listening, looking, male, man, meeting, modern, natural, person, presentation, professional, real, sitting, staff, suit, team, training, video, woman, worker, working, workplace, workshop,