Slow-motion footage of a Black teacher lecturing to mature students in a classroom
Medium long of bearded male professor giving test sheets to students who sitting at desk in classroom on chemistry lesson in afternoon
Medium long tracking of male Caucasian teacher walking between desks, giving test sheets to students in classroom at daytime
Medium long of male Caucasian teacher walking between desks, giving exam sheets to high school students in classroom at daytime
Low angle medium long of Black man standing by screen with process flow diagram, explaining it to invisible students, then sitting down at desk
Over-shoulder of male biology teacher giving lecture to diverse students, curly-haired girl raising hand, sitting at desk in classroom in morning
Medium slowmo of group of diverse male and female students sitting in rows by long wooden desks in big auditorium listening to male mid-adult professor giving lecture
Senior Caucasian professor at military college giving lecture to cadets sitting at desks in classroom and taking notes in their copybooks
Medium long shot of teacher giving chinese lesson in a classroom
Young Black man discussing process flow diagram with students in classroom
Medium shot of teacher explaining to students and giving instructions in a classroom
Waist-up of male Caucasian professor wearing face mask, giving anatomy lecture to invisible students in morning