Blank blackboard with chalk on blackboard classroom
Palabras clave
classroom,
blackboard,
education,
billboard,
chalk,
grey,
dirty,
surface,
blank,
communication,
empty,
class,
horizontal,
learn,
lesson,
message,
photo,
school,
scratch,
student,
teacher,
textured,
write,
drawing,
smudged,
board,
blackboard,
frame,
green,
isolated,
black,
wood,
vector,
wooden,
old,
learning,
illustration,
white,
college
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