Rear view of group of elderly people having lesson in library and raising hands to answer teachers question
Tracking shot of group of retired people attending lesson or workshop in library and raising hands to answer teachers question
Group of retirees participating in a classroom discussion with a young teacher
Medium slowmo of multiethnic smart middle school pupils raising their hands to answer teacher questions having Chemistry lesson in modern classroom
Group of ethnically diverse migrant students sitting at table in classroom raising hands to answer teachers question
Handheld tracking shot of group of middle schoolers sitting at desks in classroom and raising their hands to answer question. Cheerful female teacher asking boy to answer it
children in the classroom at school in masks sit in the classroom and answer the teacher's questions by raising their hands in slow motion. Lessons during the pandemic at school
children in the classroom at school in masks sit in the classroom and answer the teacher's questions by raising their hands in slow motion. Lessons during the pandemic at school
children in the classroom at school in masks sit in the classroom and answer the teacher's questions by raising their hands in slow motion. Lessons during the pandemic at school
children in the classroom at school in masks sit in the classroom and answer the teacher's questions by raising their hands in slow motion. Lessons during the pandemic at school
Curly haired Caucasian elementary school boy raising his hand to answer teacher question while having lesson with diverse classmates in classroom
Slowmo of diverse elementary age students in lab coats and protective glasses raising their hands to answer teacher question having Science lesson in modern classroom