Kurgan in the Caspian Steppe (IMAGE) Max Planck Institute of Geoanthropology Caption This is a great burial mound (Kurgan) from the Bronze Age in the Caspian Steppe. Credit Wolfgang Haak 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.