Middle age teacher holding a book and explain a lesson. Concept
Size: 5760px × 3840px
Photo credit: © Svyat / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: adult, age, attentively, background, blackboard, board, book, books, caucasian, class, classroom, college, concept, education, holding, job, knowledge, learn, lecture, lesson, male, man, middle, occupation, open, people, person, portrait, school, sitting, standing, student, talking, teacher, teachers, teaching, textbook, university, work, working