![](http://www.alamy.com/thumbs/6/58B3FE15-AF31-4C94-8107-AE5C7BE457A7/2H8X7G2.jpg)
Digital composite of gray question mark over students writing at desk in classroom
Size: 4096px × 2160px
Location: Cork, Ireland
Photo credit: © Wavebreakmedia Ltd IAT-211128 / Alamy / Afripics
License: Royalty Free
Model Released: Yes
Keywords: blackboard, book, class, classroom, college, composite, desk, digital, education, elementary, gray, homework, knowledge, laptop, learn, learning, lesson, mark, notebook, pen, people, pupil, question, school, student, students, study, studying, teacher, university, writing