School children are participating actively in class, education
Palabras clave
children,
school,
girl,
education,
children,
children,
happy,
hand,
portrait,
children,
teacher,
desk,
person,
old,
classroom,
boy,
young,
learning,
childhood,
active,
pupil,
lesson,
primary,
elementary,
class,
actively,
caucasian,
female,
group,
indoor,
sitting,
studying,
together,
chemistry
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