Purely by chance, this was posted on Facebook today by Stephen John (no relation). Fabulous image -- taken on the remote upland road to the Elan Valley. Again, this is typical ice divide terrain, maybe covered by relatively stagnant and cold-based ice for most of the Devensian cold episode. That means maybe 50,000 years of ice cover, with remarkably little landscape modification.
A sheep partially collided with my motorbike up there in the Elan Valley near the reservoirs back in the mid 1970's (nearest I ever came to a motorcycle accident, thank goodness). I watched the sheep bound down the other side of the road towards the valley floor. It had appeared suddenly from the grass above the road.
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