Upstairs, downstairs: Tree roots, cross section.
One of the great pleasures of the walks which are really my only chance to get out and about these days is observing nature more closely than I ever have before.
Another is encountering people – at a safe distance – on the way. This must sound strange, I know, coming from a confirmed introvert such as myself. But exchanging a minute or two of conversation with someone else, whether that be an acquaintance encountered by chance or just someone friendly, is a joy.