Red Stalagmites (IMAGE) University of the Basque Country Caption The Red Chamber inside the Goikoetxe cave, where the study of the stalagmites was conducted. Credit G.E. ADES Usage Restrictions None 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.