Archaeologists discovered what may be a Neanderthal kneeprint preserved in clay near a distinctive stalagmite circle in Bruniquel cave, located in southwestern France. The impression dates to approximately 175,000 years ago, suggesting it could belong to someone who helped construct the unusual mineral formation.
The stalagmite circle itself consists of around 400 stalagmites arranged in a deliberate pattern on the cave floor. Researchers dated the structure previously using uranium-thorium analysis, establishing its age at roughly 176,500 years old. This makes it the oldest known constructed monument created by humans or human ancestors.
The newly identified kneeprint provides rare physical evidence of Neanderthal presence at the site during the circle's construction period. The impression was found in clay adjacent to the stalagmite formation, suggesting someone knelt while working with or arranging the mineral deposits. This discovery adds a tangible human dimension to an otherwise mysterious archaeological puzzle.
The stalagmite circle's purpose remains unclear. Researchers have proposed various explanations, including a ritual or ceremonial function, a practical shelter marker, or a simple demonstration of organizational capability. The circle's deliberate arrangement argues against accidental formation, indicating intentional planning and labor coordination among Neanderthals.
Bruniquel cave sits in the Tarn-et-Garonne department of France and contains numerous passages suitable for exploration. Deep within these passages, approximately 336 meters from the entrance, lies this remarkable construction. The cave's remote location and the stalagmites' careful positioning suggest the builders traveled substantial distances and invested considerable effort into the project.
The kneeprint evidence supports earlier interpretations that Neanderthals possessed cognitive abilities and social organization beyond simple survival activities. Such findings challenge outdated assumptions about Neanderthal intelligence and culture. However, questions persist about who
