Cave (IMAGE) University of Barcelona Caption Image from the inside of Cova del Gegant (Barcelona). Credit Joan Daura and Montse Sanz/UB Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.