Rearview shot of a young woman raising her hand in a lecture hall
Shot of a young male teacher giving a lesson to his students on the lecture hall
smiling lecturer touching microphone while standing on podium tribune in conference hall
Male Medical Student in Lecture
Thoughtful student studying on notebook at the university
Young happy woman studying on laptop at university classroom and looking at camera.
People making notes.
Mature teacher assisting female Muslim student with a lecture in the classroom.
People applauding. Group of business people clapping hand while sitting in a row
Elementary student looking at model in classroom
speaker man talking to audience during conference
Side view of Caucasian businessman standing and giving presentation in the auditorium
speaker man talking to audience during conference
Old businessman looking and thinking while standing on stage in auditorium
usinessman sitting on a wheelchair and giving presentation to the audience in the auditorium
High view of matured African-American businessman standing and giving presentation in auditorium
Businessman sitting on a wheelchair and giving presentation to the audience in the auditorium
Businesswoman listening and asking while audience raising hand for the queries in the auditorium
Businessman standing and holding speaker while asking question to the audience
Businessman sitting on a wheelchair and giving presentation to the audience in the auditorium
Businessman checking the speaker while standing at podium on stage in auditorium
Businessman sitting on a wheelchair and giving presentation while audience raising hand
Diverse business colleagues clapping hand for there colleague in the auditorium stage
Businessman standing at podium on stage in auditorium while looking at camera
High view of matured African-American businessman standing and giving presentation in auditorium
Front view of mixed race woman sitting in audience raising hand for asking question
Businessman standing near podium and giving speech to the audience in the auditorium
