The archaeologists describe the finding as "unique", since it includes the location of 526 menhirs from between the sixth and third millennium before the current era and three sky observation areas
As the price of avocados did not stop rising ―96% of the production ends up in the European Union―, the owner of the 600-hectare farm La Torre-La Janera (in the province of Huelva) decided in 2018 to cover it with this plant of the lauraceae.
The Junta de Andalucía, given the possible archaeological potential of the land, put a condition on it: a survey had to be carried out first.
The result has been spectacular.
Archaeologists have discovered three megalithic sites, "possibly linked to the control of the cycle of the seasons and the observation of astronomical events", two cromlech (stone circles similar to those of Stonehenge), 526 menhirs and various groups of dolmens.
La Torre-La Janera is located on the left bank of the Guadiana River, around the Monte Gordo hill (155 meters).
Currently, the land is located about 15 kilometers from the coastline, but this was not always the case.
In recent prehistory, between 6,500 and 4,000 years a.C., the sea level was two meters higher and only the retreat of the waters formed the current fluvial clogging and marshes.
On both banks of the lower section of the Guadiana, on its border with Portugal, archaeologists already knew of various megaliths carved from greywacke, a sandy rock made up of mica, feldspar and quartz.
There was evidence of two menhirs, five dolmens, three circular burial areas (tholoi), a quarry and four necropolises, among other constructions.
But the new surveys, accompanied by photo-interpretation of satellite and aerial images, as well as the use of LiDAR (laser) data, among other techniques, have revealed a much richer world archaeologically.
There is no known concentration of megalithic sites so compact and with so many expectations”, says Professor Bueno-Ramirez.
Source: The Limited Times.
Original paper: El sitio megalítico de La Torre-La Janera (Huelva): monumentalidades prehistóricas del Bajo Guadiana by José Antonio Linares-Catela, et al.
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