Flowstone formation in the Sala de las Estrellas at Cueva de Ardales (Malaga, Andalusia), with the traces of red pigment analysed and discussed in the article. (IMAGE) ...

The origin and date of appearance of prehistoric cave art are the subjects of ongoing debate. Spain's Cueva de Ardales is one point of discussion. There a flowstone formation is stained red in places.

The origin and date of appearance of prehistoric cave art are the subjects of ongoing debate. Spain’s Cueva de Ardales is one point of discussion. There a flowstone formation is stained red in places.

A flowstone formation at the Cueva de Ardales, Málaga in Spain is stained red, originally thought to be a natural coating of iron oxide deposited by flowing water. However, samples of the red residue ...

Aug. 2 (UPI) --Neanderthals painted art in Ardales cave in Andalusia, Spain, in prehistoric times -- debunking an alternative theory that it happened naturally -- researchers said Monday in a study ...