Dive into the kilometres of long corridors and discover the place where Maastrichtenaren hid during the war during bombing.
The Casemates are miles long corridors used to approach the enemy underground during sieges. During the Second World War, the Maastrichtenaren were hiding here during bombing. Visit the Casemates, one of the most extraordinary sights of Maastricht. Maastricht Underground offers various tours and activities. Check the website for more information.
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