school boy write history sign object in school blackboard.
Schlüsselwörter
history,
children,
cartoon,
school,
study,
vector,
illustration,
background,
education,
experiment,
blackboard,
board,
people,
white,
youth,
cognition,
class,
classroom,
pupil,
isolated,
back,
children,
boy,
children,
object,
cute,
symbol,
icon,
greece,
feather,
greek,
old,
traditional,
art,
paper,
pen,
book,
ancient,
parchment,
olive,
quill,
ink,
architecture
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