Empty wooden black board with a piece of chalk leaning against its frame
Schlüsselwörter
no people,
photo,
education,
color image,
copy space,
blank,
horizontal,
learning,
classroom,
eraser,
indoor,
dirty,
empty,
background,
teaching,
textured,
white color,
absence,
concept,
vertical,
high school,
studying,
university,
us,
industry,
single object,
campus,
effort,
explaining,
homework,
image,
lifestyle,
shelf,
tradition,
mistake,
obsolete,
old-fashioned,
closeup,
communication,
removing
Deutsch
