boy in class looking at blackboard with mathematical formulas
Palabras clave
boy,
blackboard,
chalk,
blackboard,
class,
classroom,
education,
grade,
junior,
children,
cognition,
learn,
primary,
pupil,
school,
schoolboy,
smart,
student,
study,
teenage,
uniform,
dirty,
person,
schoolchild,
business,
caucasian,
children,
copy,
face,
fun,
happy,
light,
little,
1,
portrait,
young,
backpack,
board,
childhood,
concept,
green,
hand,
background
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