Royal tomb in Benin has traces of human blood on its walls, hinting at human sacrifice, study finds
![Royal tomb in Benin has traces of human blood on its walls, hinting at human sacrifice, study finds](https://cdn.mos.cms.futurecdn.net/GqcKSJjn3iTKARVNDu3KEH.jpg)
Researchers examining the wall of a ceremonial tomb in Benin found proteins that could have come only from human blood.
Researchers examining the wall of a ceremonial tomb in Benin found proteins that could have come only from human blood.