Ключевые слова: authentic, book, books, boy, boys, busy, candid, casual, child, children, class, classroom, closeup, college, copyspace, cropped, cute, desk, education, elementary, hand, indoor, indoors, informal, inside, interior, kid, kids, learning, little, looking, male, natural, notebook, people, person, preteen, question, real, school, sitting, small, student, students, table, teacher, teaching, university, writing, young,