Open book on a stack of books in a library.
Schlüsselwörter
book,
shelf,
library,
read,
white,
education,
study,
school,
learn,
yellow,
information,
degree,
student,
schoolboy,
blue,
research,
university,
defocused,
cognition,
literature,
intelligent,
intelligence,
open,
table,
clever,
hall,
inspiration,
development,
business,
course,
blur,
blurred,
office,
volume,
many,
archive,
collection,
catalog,
wisdom,
colours,
grey,
career,
paper,
stack,
document,
background
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