CASTRILLÓNSpain
Arnáu Mine Museum
Local name: Museo de la Mina de Arnáu
At the Arnao mine, the oldest coal mine in the entire Iberian Peninsula and the only center of undersea mining in Europe (closed in 1915), the historic building now houses a museum with an interesting interactive exhibition.
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Arnáu Mine Museum
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Arnáu Mine Museum popular in the area
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