Keywords
14-15 years, adolescence, asian ethnicity, black hair, blackboard, blank expression, book, boys, casual clothing, chair, chinese ethnicity, classroom, color image, colored background, concentration, confidence, contemplation, day, desk, digital, eyes closed, front view, heap, high school student, high section, holding, horizontal, indoors, learning, meditating, men, one person, one teenage boy only, only teenage boys, pencil, people, photography, schoolboy, serious, short hair, sitting, stack, student, studying, t-shirt, teenager, teenager boys, teenagers only, textbook, thinking, 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, u11139770