Reservoir Basin Tranco Segura (IMAGE) Spanish Foundation for Science and Technology Caption This is the reservoir basin Tranco Segura (Jaén). Credit Álvaro Martín and Alicia Urrea (Creative Commons, recognition noncommercial). 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.