Ranis excavation (IMAGE) University of California - Berkeley Caption Excavating the LRJ layers 8 metres deep at Ranis was a logistical challenge and required elaborate scaffolding to support the trench. Credit © Marcel Weiss, License: CC-BY-ND 4.0 Usage Restrictions none License Original 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.