🔴 🇪🇸 Archaeologists discover how 6,000-year-old Spanish structure was built with stones heavier than at Stonehenge
“Structure was built using ‘advanced knowledge’ in fields of geology, physics, geometry, and astronomy”
🔗 https://www.independent.co.uk/news/science/archaeology/spain-stone-age-dolmen-de-menga-b2602888.html