Ключевые слова: abstract, adult, audience, background, blur, blurred, building, business, classroom, college, computer, concept, conference, creative, design, desk, desktop, education, empty, event, field, glass, group, interior, lab, laptop, learning, lecture, meeting, modern, monitor, office, people, person, presentation, professional, room, school, screen, seminar, study, table, teacher, technology, training, university, wallpaper, work, worker, workplace,