Prehistoric Cave Art In Spain To Remain Open For Limited Viewing

The Altamira caves, which had been closed since 2002 out of worries that moisture and body heat from tourists could ultimately damage the 18,000-year-old paintings, were opened earlier this year to a maximum of five visitors for one hour per week. Researchers say there’s been no perceptible damage to the art, and the experiment will continue for at least five more months.

source ArtsJournal http://ift.tt/1vjEpRi

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