In Zubeldia’s words, “the beauty of Krutz fascinated us. We often entered the cave, but until then we had not achieved our goal: Arrival at the Aranzadi Hall. The room was impressive and thanks to the plans and books we had knowledge of it.”
With candlelight from the Basilica in hand, speleology lovers managed to reach the Aranzadi Hall on Sunday. But when they tried to escape, they were lost. For more than twelve hours, they were lost in the sinuous karstic system of Gesaltza-Arrikrutz, which consists of six levels and 15 km. For the peace of both, they finally found the way out and, for the happiness of archeology, they did not leave with empty hands; they took the tooth of a lion to the paleontologist Jesús Altuna, who confirmed the finding.
While they were lost, the students of Arantzazu found the skeleton of a cave lion (Panthera leo spelaea) about 35,000 years ago. From then on, this area of the cave would be called the Lion Gallery. The lion, 1.2 meters high to the shoulder, was 2.2 meters long and would survive about 250 kg of weight. Even though he was a terrible cat, he wasn't the biggest grain of his species. Another of the galleries in Arrikrutz found the femur of a lion, which, according to bone, would weigh approximately 330 kg. The lion of the caves disappeared from Eurasia 15.000-10,000 years ago, and therefore from the vicinity of Arrikrutz, due to climate warming and human hunting.
In Arrikrutz there are also traces of more animals: the furry rhinoceros (Coleodonta antiquitatis), the cave hyena (Crocuta crocuta spelaea), the giant deer (Megaloceros giganteus)… In the caves (Urssus pelaeus) there is also a “cemetery” where, according to all the signs, they mubernate together.
But the most important finding of Arrikrutz is that of the lion, the most complete lion skeleton found in the Iberian Peninsula, one of the few in Europe. The skeleton, which is well kept since the piece was removed from the gallery, took almost two years. Since 2007, Arrikrutz has been open to the public, being able to travel up to 500 meters from the cave network and see a lion replica. But there's little chance of seeing the real skeleton. That is the privilege that those who approach the San Telmo Museum in Donostia-San Sebastián will have until February 10.
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