Human bones may have been engraved as part of a cannibalistic ritual
Human bones bearing cuts and damage are frequently found at Magdalenian (approximately 12 to 17,000 years BP) European sites and one of the most extensive assemblages can be found at Gough's Cave in Somerset, UK. Previous analysis of the human bones from the site found evidence of human cannibalism, but palaeontologists debate about whether some of the marks found on the bones were intentionally engraved or simply the result of butchery.
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https://archaeologynewsnetwork.blogspot.com/2017/08/human-bones-may-have-been-engraved-as.html#2qX3Uz4IWLkS2ykO.99
