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Coal mine with surface museum and long or short trips below ground.
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Museo de la Minería y de la Industria de Asturias
Fascinating museum of the steel industry. You descend a shaft and an underground train takes you to San Vicente mine.
This was a coal mine, and a train takes you 2 km to enter it.
Gallery of art mostly from the Civil War, plus a few contemporary works.
Exhibiting the history of iron and steel in this area, in an old cooling tower.