That's some rock art, fitzcoraldo. They certainly meant to get as much on as possible. Is that the most cup=marked rock you've seen?
What's its setting? The photo makes it look as though it's hidden away somewhere rather than out on a windy hilltop.
Is there any story of explanation to go with it? Or I suppose such things are so common in the North that it goes without comment. I'm very jealous. We aint got nuffin like that down here.