Burial Mound Khirigsuur (image) Max Planck Institute for the Science of Human History Share Print E-Mail Caption Late Bronze Age burial mounds known as khirigsuurs are associated with early pastoralists in Mongolia. Credit Bruno Frohlich Usage Restrictions This image may only be used in the context of reporting on this publication and with appropriate credit information. Share Print E-Mail 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.