An analysis of the provenance of the Matarrubilla stone, a large megalith at Valencina in Spain, indicates that the monument’s builders must have had advanced seafaring technology
An analysis of the provenance of the Matarrubilla stone, a large megalith at Valencina in Spain, indicates that the monument’s builders must have had advanced seafaring technology An analysis of the provenance of the Matarrubilla stone, a large megalith at Valencina in Spain, indicates that the monument’s builders must have had advanced seafaring technology