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Back view of mature professor giving lecture to large group of college students in the classroom.
Keywords:
men
education
teaching
seminar
business person
studying
adult
working
women
indoors
caucasian ethnicity
teacher
desk
businessman
businesswoman
smiling
mature adult
happiness
group of people
student
sitting
classroom
young adult
multi-ethnic group
presentation
females
males
teamwork
occupation
large group of people
medium group of people
learning
office
business
table
technology
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