A young man of the Konyak Naga tribe, India, holding a human head. Photograph. https://www.rawpixel.com/image/14018632/young-man-the-konyak-naga-tribe-india-holding-human-head-photographFree Image from public domain licenseA man of the Konyak Naga tribe, with plugs distorting his ears and a necklace indicating the number of heads he has cut off.… https://www.rawpixel.com/image/13962886/photo-image-face-person-manFree Image from public domain licenseNagaland, India: Ao Nagas tribespeople, one of whom is suffering from a goitre. Photograph, 1900/1910. https://www.rawpixel.com/image/13981447/photo-image-face-people-treeFree Image from public domain licenseTrophies of a headhunter's house of the Chang Naga tribe, India, including human skulls. Photograph. https://www.rawpixel.com/image/13979832/photo-image-trophies-person-artFree Image from public domain license