A child’s tooth and mysterious green stones expose a 5,500-year-old secret hidden in a mountain cave | World News
Image: Frontiers in Environmental Archaeology High in the Spanish Pyrenees, at an altitude where steep slopes and rocky terrain still make access difficult today, archaeologists have been investigating a cave that appears to have drawn people back again and again over thousands of years. Known as Cova del Sardo, the site has yielded evidence of…
