During a heatwave in 2018 a giant sign that read 'ÉIRE' was uncovered on Bray Head.
The idea behind these signs was that those flying overhead during WWII would know that they were flying over neutral Ireland.
What many may not know is that Bray is not a unique case as there are in fact more than two dozen of them dotted around the country.
Donal Fallon joins Gavan Reilly for another episode of Hidden Histories to discuss.
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