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Few people realise that within the walls of the Castle are tunnels – tunnels which came into their own as air-raid shelters during the Second World War.
It was estimated that more than 1800 people could take shelter within the walls and when the sirens sounded, people who lived and worked in the city would rush to the shelters. Special ramps were built so that people could gain access into the walls quickly. Research has revealed there were dormitories with bunks, kitchens, toilets and first aid posts concealed within the walls.
Now, you can see what the air-raid shelters looked like and hear the sounds from a bygone age.
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