education concept - smiling students looking at tablet pc at school

• african, american, app, application, attractive, boys, campus, chatting, class, classmates, classroom, college, computer, e-learning, education, european, friends, fun, girls, group, happy, international, lecture, library, looking, modern, networking, new, pc, people, pictures, pointing, presentation, scholar, school, showing, sitting, smiling, social, students, studying, tablet, team, teamwork, technology, teenagers, university, video, watching, young
• ID: 250386079
• Model: 13952204 14054587 14080357 14082355 14092093
• 4137 x 2904 pixels