Artists have been painting inside this Spanish cave for 58,000 years

by SARAH KUTA

In 1821, an earthquake rocked southern Spain and, in the process, exposed the entrance to Cueva de Ardales, a previously hidden cave. Inside, more than 1,000 engravings and red paintings dotted its walls, ceilings, ground rocks and other natural features.

Archaeologists have long suspected that the cave’s artwork was very old, but now, they believe they have a much clearer picture of exactly when—and who—created it. Neanderthals and, later, more modern humans left their artistic mark on the cave starting around 58,000 years ago, according to a new paper published this week in the journal PLOS One.

An international team of archaeologists explored Cueva de Ardales from 2011 to 2018, then used radiocarbon and uranium-thorium dating techniques to understand the cave’s history.

They believe Neanderthals first entered the cave during the Middle Paleolithic, or the middle part of the Stone Age, drawing on the walls and maintaining their tools inside. After that, human visits to Cueva de Ardales ebbed and flowed all the way through to the late Neolithic/Chalcolithic period—the latter part of the Stone Age and the Copper Age—about 5,500 years ago,

Based on items archaeologists found within the cave, they also suspect it was used solely to create art and bury the dead—not as a shelter. This suggests that the site was highly symbolic to its visitors.

“What is very exciting is that, as far as we can tell so far, Ardales was not a classic camp site,” Gerd-Christian Weniger, an archaeologist at the University of Cologne and one of the paper’s authors, tells Gizmodo’s Isaac Schultz. “That was not clear before the excavations.”

Though they didn’t find any fireplaces or other evidence to suggest domestic occupation of the cavern, researchers did document a deer tooth, a wildcat bone, pieces of ocher, some tools and the jaw of a 12-year-old boy, among other artifacts. They also found a rope fragment and charcoal dating back to the late 16th or early 17th century, which suggests that someone rappelled into the cave a few hundred years before the 1821 earthquake bared its entrance.

Smithsonian Magazine for more