Fig. 5 Skull 1: Tentative reconstruction. Skull 1: Tentative reconstruction. Drilled perforation at the top of the cranium is used to suspend the skull with a cord (red). Carvings were used for stabilization purposes, preventing the cord from slipping. Credit: Juliane Haelm, DAI. Julia Gresky et al. Sci Adv 2017;3:e1700564 Copyright © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).