Pile of stone flakes at Mauna Kea (IMAGE) Max Planck Institute of Geoanthropology Caption Archäologen untersuchen einen riesige Halde von Steinflocken, die bei der Herstellung von Adze im hochgelegenen Steinbruch am Mauna Kea, Hawai'i, anfallen. Credit Marshall Weisler Usage Restrictions Use only with appropriate credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.