Ключевые слова: activity, adult, american, attention, audience, auditorium, caucasian, classroom, communication, concentration, course, development, educating, education, emotions, expression, faculty, females, friendly, group, indoors, information, institute, intelligence, interaction, interest, knowledge, lecture, lecturing, lesson, listening, master class, mixed age, participants, people, portrait, positive, seminar, senior, spanish, students, studying, together, training, tutorial, university, woman, workshop, young,