Female student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Contemporary young intercultural students sitting by desks in lecture hall and using mobile gadgets
Female student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
a male caucasian person sitting and feeling tired in the lecture hall auditorium, overworking stress
Female student wearing face protective medical mask for virus protection at lecture hall
Female student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Young woman learning while attending adult education training class in lecture hall
Male student wearing face protective medical mask for virus protection at lecture hall
Female student sitting at lecture hall desk resting chin on hand studying with papers and laptop
Black senior man giving a presentation during education training class in lecture hall.
Female instructor wearing face protective mask and helping male student at lecture hall
Young black woman writing in notebook while e-learning on laptop in lecture hall.
Working female student taking notes on notebook at university lecture hall desk, using laptop
Black teacher talking to adult students during education training class in lecture hall.
Mature man raising hand to ask a question while attending a class in lecture hall.
