Empty green school chalkboard with a wooden frame and sunlight from a window
Schlüsselwörter
blackboard,
education,
school,
classroom,
learning,
pupil,
wisdom,
notice,
planning,
seminar,
lecture,
preschool,
teaching,
kindergarten,
lesson,
teacher,
opportunity,
homework,
coaching,
study,
studying,
elementary,
announcement,
academic,
learn,
presentation,
exam,
writing,
cognition,
university,
blackboard,
board,
chalk,
blank,
green,
frame,
empty,
class,
wood,
isolated,
vector,
texture,
wooden,
black,
write,
old,
illustration,
message,
college
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