Ключевые слова: 20s, 3d, academic, black, book, books, bright, business, campus, casual, casual clothing, cheerful, class, college, communication, computer graphic, concrete, contact, conversation, cool, counseling, digital, digital generated, discussion, education, empty, friends, friendship, graduation, grey, group, happy, hip, holding, interacting, knowledge, learn, learning, lens flare, light, male, man, mobile phone, phone, portrait, room, showing, sitting, smartphone, smile, smiling, speaking, standing, student, study, studying, tablet, tablet pc, talking, team, texture, textured, therapist, therapy, university, wall, white, white background, wireless technology, work, years, young adult,