Teenagers sitting at desks in classroom during lesson and doing tasks.
Palabras clave
school,
education,
children,
classroom,
studying,
learning,
teacher,
pupil,
lesson,
american,
european,
caucasian,
german,
french,
russian,
30s,
40s,
student,
teenage,
class,
indoor,
group,
male,
female,
girl,
woman,
listening,
boy,
classmate,
person,
teenage,
sitting,
teenage,
desk,
together,
young,
cognition,
explaining,
adolescence,
science,
academic
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