Thousands upon thousands of paired edible mussel shells lay semi-embedded in wet, rain-pitted sand at Whiteford in Gower. These shells often wash ashore and accumulate in dry piles along the strandlines from the natural mussel beds just offshore. On this occasion, unusually, the shells were trapped and scattered widely across the shore like so many petrifying blue butterflies stranded in the sediments.
Revision of a post first published 4 May 2010
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