Enigmatic "ivory rings" found in dozens of Anglo-Saxon burials in England have long baffled archaeologists, who weren't sure of the rings' origin and which animal they came from — elephants, walruses or mammoths. But now, scientific techniques have revealed that these rings likely came from African elephants living about 4,000 miles (6,400 kilometers) away, a new study finds.
The finding indicates a trading network brought the objects from eastern Africa and across post-Roman Europe to England — perhaps one of the longest trade route distances known from that time.
