Keywords
adolescence, adult, boy, caucasian ethnicity, classroom, college, color image, companion, computer, contemporary, education, facial expression, female, five, five person, friend, friendship, girl, group, higher learning, horizontal, human, indoors, interior, laboratory, learn, learning, male, mate, mood, people, pixtal, positive, positive feeling, sitting, smile, student, study, teamwork, teenager, university, use, waist-up, young, young adult, youth, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, cd267001