Happy mature man attending a class at the university and looking at camera.
Empty places for business people
Bald mature professor standing by desk in front of audience and explaining subject of lecture
Muslim Politician Speaking Into Microphone
Two rows of desks in college library and students working individually
Doctor team shows a model of how the heart system works
smiling grey hair professor holding paper plane in lecture room
Mature student e-learning on laptop in the classroom.
Teenage boy sleeping during lecture
Group of businesspeople attending a seminar
Group of businesspeople attending a seminar
Female student writing in notebook while using laptop and studying in the classroom.
Hispanic female teacher having a headache while working at school.
Male students listening to lecture in media class
Group of businesspeople attending a seminar
senior lecturer using tablet isolated on white
Female university friends leaving the classroom after a lecture.
grey hair professor drawing with piece of chalk at blackboard
Students using laptop at lecture
Multiracial university students having a class in the classroom.
Group of businesspeople attending a seminar
Group of businesspeople attending a seminar
Young attractive casual female student drinking water during study in library of university
People making notes.
Nobody In Conference Room
Group of businesspeople attending a seminar
I have a question regarding the lecture!
Rear view of student using laptop during computer class at high school.
smiling grey hair professor standing with crossed arms
Happy woman taking notes during computer class and looking at camera.
