The perfectly squared entrance at Domus de Janas di Sa Fossada in Escalaplano presents a genuine mechanical problem.

The perfectly squared entrance at Domus de Janas di Sa Fossada in Escalaplano presents a genuine mechanical problem. This rock-cut structure dates to 3500-2900 BC, a period when builders supposedly relied entirely on basic stone pounders and soft copper.Carving a multi-chambered dwelling directly out of living bedrock requires a level of force and precision that our current historical models cannot easily explain..Science and facts💡