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man lecturing students in a university lecture theatre
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dreamstime
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30s
adults
attention
caucasian
college
communication
concentrating
design
desk
disabled
diversity
education
focus
group
higher
horizontal
indoors
interior
large
learning
lecture
lecturer
lecturing
listening
meeting
men
millennials
multiethnic
of
one
people
person
presentation
presenting
room
selective
side
sitting
student
students
studying
talking
teacher
technology
theatre
university
up
view
waist
wheelchair
woman
women
working
young