
Secrets Unearthed: Medieval Spain’s Hidden Underground Society Revealed
Archaeologists at the Las Gobas caves in northern Spain uncovered 33 skeletons from a secluded 7th–11th‑century troglodyte community that lived largely underground, showing widespread inbreeding, signs of violent trauma, and a smallpox outbreak likely spread through contaminated pork; isolation and resource pressures likely contributed to the site's abandonment by the late 11th century, after which the caves became a necropolis.







