The Upper Palaeolithic rock art of Côa Valley and Siega Verde lights a faint match to understand our history as humans
Cueva de Ardales, a famous rock art cave in Spain, was used by ancient humans for over 50,000 years; the study was published on PLoS ONE
Today, scientists report use of “X-ray vision” to gain brand-new insights about the layers of paint in rock art in Texas without needless damage
