Midsection slowmo of unrecognizable male university or high school professor holding basket where students put their smartphones as entering lecture hall
Young students entering lecture hall before lesson
Medium slowmo portrait of confident mid-adult male professor in smart casualwear standing with hands folded at big auditorium or lecture hall with long wooden desks
Medium slow-motion footage: University professor and diverse students in face masks learning in large auditorium
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
Waist up slowmo of Caucasian female university student asking professor question while writing lecture sitting at desk in auditorium with multiethnic fellows
High-angle slowmo shot of contemporary male professor measuring students temperature as they entering big lecture hall or auditorium using contactless infrared thermometer
Young medical students applauding professor after lecture in modern auditorium
Diverse students entering lecture hall with professor writing lesson topic
Medium slowmo of bold mid-adult university professor in smart casualwear and face mask getting ready for lecture while group of multi-ethnic students walking into auditorium
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