Explore the hidden gems of Olten and Solothurn, Switzerland, with our crowdsourced list of urbex spots. From abandoned factories to secret rooftop gardens, discover the unconventional side of these cities with the help of local explorers. Our lexical field-optimized paragraph gives you a taste of what's to come, with keywords like "abandoned," "secret," and "unconventional" that will guide your search for urban adventures.
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