A project to plant a new forest on moorland above Dumbarton has unexpectedly revealed a wartime secret. The Woodland Trust has unearthed a concrete bunker in the centre of the Lang Craigs site that controlled decoy lights.

These tricked German air crews into dropping their bombs away from population and industrial centres. It was part of a successful campaign of subterfuge which, it was claimed, led to many lives being saved in the Blitz.

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