Empty classroom waits for the start of school lessons
Schlüsselwörter
learn,
education,
blackboard,
study,
object,
nobody,
message,
symbol,
cognition,
information,
teacher,
university,
drawing,
design,
concept,
college,
blackboard,
chalk,
write,
board,
blank,
graphic,
flat,
element,
communication,
icon,
idea,
illustration,
isolated,
background,
signs,
simple,
stationery,
student,
supply,
teaching,
vector,
clip,
racked,
back,
office,
business,
children,
schoolboy,
schoolgirl,
scholar,
friends,
friendship,
anime
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