Fa Hien Bone Tools (IMAGE) Max Planck Institute of Geoanthropology Caption This is an example of tools manufactured from monkey bones and teeth recovered from the Late Pleistocene layers of Fa Hien Cave, Sri Lanka. Credit N. Amano Usage Restrictions This image may only be used in the context of reporting on this publication and with appropriate credit information. 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.