Old teacher in front of blackboard

---

Size: 5767px × 3850px
Photo credit: © Elnur Amikishiyev / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: academic, aged, blackboard, board, book, chalkboard, class, classroom, college, demonstrating, discussing, education, elder, exam, experienced, explaining, graduation, green, high, learn, learning, lecture, lecturer, lesson, man, mature, mentor, mentoring, older, pile, pointing, presenting, school, science, secondary, showing, study, studying, teacher, teaching, textbook, training, tutor, tutoring, university