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Teacher leading astronomy lesson at screen
Keywords:
men
education
teaching
seminar
studying
adult
childhood
child
indoors
caucasian ethnicity
teacher
audience
hand raised
asking
smiling
development
togetherness
happiness
school children
group of people
student
classroom
multi-ethnic group
presentation
males
speech
teamwork
technology
medium group of people
learning
boys
group guide
korean school
public speech
multi screen
leading hand
student question
students raise hands
teacher empty classroom
korean ethnicity
various occupations
black man pointing
college aged
discover technology
public school
speech teacher
student asking
student raise hands
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