smiling caucasian lecturer talking to african american listener during seminar in conference hall
Pensive university student looking through the window while learning in lecture hall.
Smiling black senior man attending a class in lecture hall and looking at camera.
Rear view of adult students attending education training class in lecture hall.
Mature professor and his students using laptop during a class at lecture hall.
cropped image of smiling lecturer standing at podium tribune during seminar in conference hall
African American student writing notes while attending class in lecture hall.
Happy student taking notes during a class at lecture hall and looking at camera.
Happy female college student during a class in lecture hall looking at camera.
Happy mature man on education training class in lecture hall looking at camera
Back view of group of students raising their arms during a class at lecture hall.
Mid adult student using laptop during computer class at lecture hall.
Teacher with protective face masks talking to a group of university students in lecture hall.
Happy mature woman on education training class in lecture hall looking at camera.
smiling african american lecturer talking to audience during seminar in conference hall and pointing
College student raising her arm to answer teacher's question in lecture hall,
Exhausted university student fell asleep while preparing for an exam in lecture hall.
Male professor sitting on desk edge in empty tiered lecture hall, with wooden benches
Happy black females student during a class in lecture hall looking at camera.
Mature professor and his student using laptop during a class at lecture hall.
Black professor giving exam papers to group of adult students in lecture hall.
selective focus of african american lecturer talking to audience during seminar in conference hall
It all comes down to the test...Two male students writing exam in a lecture hall.
female business speaker with notepad standing at white board during lecture in conference hall
Female student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
african american lecturer talking to audience during seminar in conference hall, participant raising
Male student wearing face protective medical mask for virus protection at lecture hall
a male caucasian person sitting and feeling tired in the lecture hall auditorium, overworking stress
