Schoolchildren in the classroom at the lesson.
Palabras clave
classroom,
school,
education,
class,
lesson,
group,
studying,
teacher,
people,
learning,
together,
caucasian,
female,
classmate,
childhood,
indoor,
person,
young,
children,
elementary,
grade,
study,
girl,
cognition,
boy,
desk,
male,
primary,
sitting,
children
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