My booted friend saw this grating in Portmerion and knew I’d like it.
Crossing over thew railway line in Blaenau Ffestiniog, I presume the wooden rails are to stop people wandering off from the official route.
The watermill at Blaenau Ffestiniog, water drips running down in the gaps between the railings and below, the hods of thre wheel juxtaposed against the perspective lines of the slates on the roof beyond.
Sally Wakelin - Studies in Creativity 
So that just goes to prove that even gratings can be things of beauty.