Blackboard
Schlüsselwörter
blackboard,
black,
board,
blackboard,
education,
empty,
grey,
nobody,
chalk,
photograph,
notice board,
communication,
grey,
macro,
rubbed,
photo,
school,
blank,
slate,
smudged,
horizontal,
abstract,
wall,
background,
advertising,
billboard,
design,
class,
classroom,
surface
Deutsch
