The nuraghe, a stone monument which has a dimension and keeps no equal in the Western Mediterranean, is undoubtedly one of the emblems of Sardinia.
This is because the presence of nuraghes in Sardinia is one every three square kilometers. Since the last census, they are between 7000 and 8000 and we can assume that in ancient times the area was full with over 20,000 towers of varying size and complexity architectural.
As for the name, there are several theories.
The one more popular attributes to nur- root meaning is to “pile” is a “cavity”, which is therefore a Nuraghe description: a pile of stones with a hollow center.
Another hypothesis is instead one that would refer to the root Phoenician nur- which means “fire”, thus indicating a fire house or temple of the fire, in relation to alleged rites. In fact, if you position yourself inside the sealed chamber of a dolmen and burned a newspaper, it will be sucked up by the giant megalithic hood, just as happens to smoke from a chimney.
Their function is the greatest mystery. Were they military fortresses? Or temples? Or astronomical observatories?
For a long time it was thought that they had a military function, as each nuraghe is visible compared to the next, it can communicate through the fire and then defend the population.
But it is hard to believe that such complex buildings had only one purpose in life of nuragici.
A recent theory in fact, sees the nuraghe as a religious temple for the worship of the dead. This because of some bone found inside.
Another theory, however, would see these monuments as astronomical observatories arranged in solar criteria, lunar and astral.
In fact, the inputs of many towers are intended for Azimuth of sunrise and sunset particularly bright stars like Sirius and Rigel. Others toward the constellation of the Southern Cross and Centaurus. The latter is thought that they were very amounts for the civilization that once lived in the Mediterranean, as it would be the headquarters of the healing gods and venerated also by Nuraghic populations.
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