Keywords
adolescence, adult, aged, boy, caucasian ethnicity, classroom, college, color image, contemporary, desk, education, elderly, examination, facial expression, female, girl, give, giving, group, high school, higher learning, horizontal, human, indoors, interior, learn, learning, looking, looking each other, male, man, mature adult, mood, paper, people, pixtal, professor, pupil, senior, senior adult, serious, seriousness, sitting, student, teacher, teenager, university, 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, cd266006