African American male professor in speaking to students in auditorium and asking question. Man lecturer at high school communicating with
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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Rear on young Caucasian female professor speaking at lection at University. Woman teaching at college and explaining information to students
Rear view of students sitting at desks in classroom, raising hands when male bearded teacher asking question
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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 young male professor in speaking to students in auditorium and explaining material. University concept. Man teacher at high
Engaging professor interacts with diverse students during a lecture
High angle view shot of university professor asking question then students raising their hands to give an answer
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Caucasian young female student sitting at lection in University, rising hand and asking question or anwering to professor
Waist up slowmo of Caucasian female university student asking professor question while writing lecture sitting at desk in auditorium with multiethnic fellows
Rear view slow motion of students sitting at desks in classroom, raising hands when male blurred teacher asking question
Handheld shot of middle aged university professor pointing at blackboard when asking question to student during lecture