Canyon

The North Esk flowing through Roslin Glen is the closest Midlothian gets to a canyon, and now the leaves are falling, the cliffs are becoming visible again. I was out on my bike, having a break between working on our solver and being internal examiner for the viva of one of our PhD students. It started at 17:00 because he and the external are both in California. Now it's finished I'll have a late dinner!