Resumen de The chalcolithic fortified site of Leceia (Oeiras, Portugal)
At the main Chalcolithic settlements of Estremadura, the agricultural potential enhanced through successive improvement of production technologies created an economic surplus that needed to be defended. This situation originated the construction of complex defensive systems in the Estremadura and in other regions of the country, during the third millennium BC particularly well preserved at Leceia, Vila Nova da Sâo Pedro and Zambujal.
