Ngu Hao 2 in-situ cave sediments. (IMAGE) Flinders University Caption Inside Ngu Hao 2 cave showing the concreted remanent cave sediments adhering to the cave wall. The overlying whitish rock is a flowstone that caps the entire deposit. Credit Fabrice Demeter (University of Copenhagen/CNRS Paris) Usage Restrictions Credit: Fabrice Demeter (University of Copenhagen/CNRS Paris) 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.