
At one of the more remote points of our dog walk, I started noticing a textured patch that gave no clue what caused it, or could have caused it. And never seemed to have had anything walk through it.

Since it seemed to occur every day, untouched, I put a footprint in the middle of it as an experiment.

And the next day find the pattern again, with no sign of my footprint from 24 hours before.

So what’s going on here?


