Low angle side-view of bearded male biology teacher holding image of frog anatomy, talking to students who sitting at desks in classroom
Long side-view of bearded male biology teacher talking to multiethnic teenage students who sitting at desks in classroom
Tracking in of bearded male teacher helping teenage student who sitting at desk in classroom on anatomy lesson in morning
Tracking in of male Caucasian teacher holding image of frog anatomy, teaching high school students, standing by blackboard in classroom at daytime
Tilting up of blue-eyed Caucasian male biology teacher showing picture of frog anatomy on lesson to invisible students
Medium long side view of male Caucasian teacher walking between desks, giving sheets with frog anatomy map to high school students in classroom at daytime
Medium long of bearded male professor giving test sheets to students who sitting at desk in classroom on chemistry lesson in afternoon
Medium long shot of a teacher and students in a classroom
Bearded male student in eyeglasses sitting at desk in classroom and talking with teacher during lesson in high school
Rear view of students sitting at desks in classroom, raising hands when male bearded teacher asking question
Tracking of bearded male professor giving test sheets to multiethnic students who sitting at desk in classroom on chemistry lesson in afternoon
Tilting down of bearded male teacher holding tablet, standing in classroom, watching two high school classmates sitting at desk, using microscope and dissecting frog