Tracking shot of multi-ethnic students entering lecture hall, professor sitting at desk greeting them
Middle aged curly haired teacher entering lecture hall, greeting multi ethnic group of students and starting lecture on calculus at university
Long shot of ethnically diverse college students entering lecture hall and greeting their teacher
Young Muslim student in hijab enters lecture hall with classmates, greeting professor
High-angle slowmo shot of contemporary male professor measuring students temperature as they entering big lecture hall or auditorium using contactless infrared thermometer
High-angle rear-view slowmo of excellent male student raising his hand to answer professor question at Maths lesson in big lecture hall
Lecture hall is full with medical students, professor is giving a lecture.
Young students entering lecture hall before lesson
Midsection slowmo of unrecognizable male university or high school professor holding basket where students put their smartphones as entering lecture hall
Diverse students entering lecture hall with professor writing lesson topic
Close-up of an inspired professor lecturer explaining lesson on laptop to smart high school students
Rear-view medium slowmo of group of multiethnic university students entering big lecture hall while male mid-adult professor writing topic of lesson on blackboard