Rocks on the top of a dry stone wall seem to have more lichens than those lower down the wall, especially if the stone has a rough surface like this Old Devonian conglomerate which would have originated in strata on the top of Rhossili Down. The arrangement looks like a miniature garden.

This series of photographs was taken beside the path from Rhossili village towards the Worms Head Causeway.

8 Replies to “Stones in the Wall 4”

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