Blackboard
Size:
3425px × 5147px
Photo credit: ©
Andrew Paterson / Alamy / Afripics
License:
Licensed
Model Released:
No
Keywords:
blackboard,
board,
box,
boxes,
chalk,
chalkboard,
chart,
concept,
diagram,
diagramm,
flow,
math,
maths,
metaphor,
shape,
shapes,
venn,
writing