Caucasian young male professor in speaking to students in auditorium and explaining material. University concept. Man teacher at high school
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African American male professor in speaking to students in auditorium and asking question. Man lecturer at high school communicating with
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Caucasian male handsome student at University sitting at desk in front of teacher and asking question. Rear of professor speaking in front
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African American male professor standing in front of students and giving lection. Man teacher explaining lesson subject in auditorium. Close
Rear-view slowmo shot of male professor speaking in front of group of multi-ethnic university students sitting on turquoise stairs in library or auditorium
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Back view on female professor at University lection talking and explaining material to multiethnic students in Woman teacher having speech
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Rear on young Caucasian female professor speaking at lection at University. Woman teaching at college and explaining information to students
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Portrait of African American male professor at University looking at camera and smiling. Students in auditorium on background. Man
A group of male and female students in a large auditorium of the University listen to a lecture by a Professor
A group of male and female students in a large auditorium of the University listen to a lecture by a Professor
Medium slowmo of university professor explaining new material to diverse students in lecture hall
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African American male cheerful professor taking selfie photo with smartphone among multiethnic students in auditorium of University