new icn messageflickr-free-ic3d pan white
Graph on blackboard | by wuestenigel
Back to photostream

Graph on blackboard

✅ Marco Verch is a Professional Photographer and Speaker from Cologne. 👆 This image can be used under Creative Commons 2.0. Please link to the original photo and the license.

144 views
0 faves
1 comment
Uploaded on February 24, 2019