| Riddled with small caves, for centuries this tiny island was home only to a small chapel dedicated to St Catherine and, reportedly, some sure-footed sheep | |
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| Our homepage image shows the scene at low tide, when the island can be reached by foot across Castle Beach | But fears of a naval invasion from France, under its first president Emperor Napoleon III, saw plans drawn up for a series of forts along this stretch of the Welsh coast in the late 1850s |