In Spain, 14,000-year-old cave paintings face a new threat — a drive for money. “Local officials want to reopen the cave to boost the local economy, but visitors could heat the caves and introduce microbes that destroy pigments.”
In Spain, 14,000-year-old cave paintings face a new threat — a drive for money. “Local officials want to reopen the cave to boost the local economy, but visitors could heat the caves and introduce microbes that destroy pigments.”