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</html><thumbnail_url>https://octantismatera.it/wp-content/uploads/2026/05/BLOG-CRIPTA-1.jpg</thumbnail_url><thumbnail_width>900</thumbnail_width><thumbnail_height>1200</thumbnail_height><description>The Crypt of Original Sin is one of the most important places in the Matera rock area, but also one of the least immediately accessible compared to the classic routes in the Sassi. It is located outside the city center, along the slope of the Gravina, and preserves a cycle of early medieval frescoes that [&hellip;]</description></oembed>
