Stack of books in the library and blur bookshelf background
Schlüsselwörter
abstract,
light,
colours,
blue,
colourful,
texture,
design,
illustration,
paper,
white,
line,
rainbow,
pattern,
line,
red,
blur,
bright,
wave,
cable,
swirl,
graphic,
wallpaper,
black,
green,
energy,
academic,
ancient,
back,
background,
book,
bookcase,
bookshelf,
class,
classroom,
collection,
day,
development,
dictionary,
educated,
education,
educational,
educator,
cyclopaedia,
growth,
history,
human,
know,
cognition,
law,
leading
Deutsch
