On a summer school class at Glasgow School of Art, we were asked what we thought ‘accidental drawings’ were. I hesitated in answering, I didn’t have a clue how to answer! When the tutor showed us a mark on the wall, it all clicked and I spent the rest of the day looking for these drawings around the city.
Here are some others, wear and tear on a boat as well as Nature’s drawings:
Tea and Doodles 