pondering school teacher in classroom at blackboard

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pondering school teacher in classroom at blackboard.

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Size: 7836px × 4953px
Photo credit: © Roman Stetsyk / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: blackboard, classroom, day, education, knowledge, lesson, man, modern, pondering, school, teacher, thinking, thoughtful, time, tutor, tutorship, university