Santurtzi, a small town in the Basque Country of Spain, is a hidden gem for urban explorers. Its industrial past and rugged coastline offer a unique blend of abandoned factories, crumbling castles, and secret beaches, all waiting to be discovered. From the eerie ruins of the old salt factory to the forgotten tunnels beneath the town's medieval castle, there's no shortage of off-the-beaten-path adventures to be had in this captivating corner of the world.
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