According to scientists, the ritual depicting aurochs is the largest and at the same time the oldest known human work dedicated to this animal.

Scientists from the Coa Parque Foundation, which has conducted archaeological research in this Portuguese city, reported Friday that the discovery was made possible by lowering the water level in the Coa River that runs through the area.

The study authors note that after leaving the water level thanks to local river embankments, it turns out that the rocky weather, initially visible on a 3.5-meter rock, was a pre-human work with a total length of 10 meters. .

It is located in the Guarda region in the northeast PortugalIn the 1990s, the archaeological site became the site of extensive work by experts.

Between 1995 and 2013 ArchaeologistsMost of them are Portuguese university employees, found 22 rock engravings made during the Paleolithic period.

Most of the prehuman rock work at Vale do Coa, spread within a radius of several kilometers, depicts animals, especially horses, as well as livestock.

Since 1998, Vale do Coa has been recognized as the UNESCO Intangible Heritage of Humanity.

(Metric tons)