Cave Paintings Identified in Spain

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Cave Paintings Identified in Spain
// Archaeological Headlines - Archaeology Magazine

CANTABRIA, SPAIN—The International Business Times reports that four new sets of cave paintings in northern Spain have been identified with 3-D laser scanning and photometric techniques by a team led by Roberto Ontañón of the Museum of Prehistory of Cantabria. The sites had been identified by speleologists, but the images were degraded and difficult to see with the naked eye. "These technologies allow you to detect colors beyond the range of the visible spectrum (infrared to ultraviolet) and, in this way, 'reveal' paintings that at first sight are imperceptible or difficult to distinguish," Ontañón explained. He estimates the paintings are between 20,000 and 30,000 years old. For more on cave paintings, go to "The First Artists."
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