A Natural “Varnish” May Explain How 37,000-Year-Old Cave Art Survived
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A new technique uses UV light to reveal a natural mineral varnish that may have helped preserve Chauvet Cave’s 37,000-year-old charcoal drawings. About 37,000 years ago, Paleolithic people entered a limestone cave in southeastern France and drew the animals around them, including cave bears, cave lions, bison, and horses. An ancient rockfall later sealed away [...]
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