Grotta del Cavallo (image) University of Vienna Caption Grotta del Cavallo (red arrow) opens on the bay of Uluzzo, which is located in the Regional Natural Park of Portoselvaggio, Apulia, southern Italy. Credit Annamaria Ronchitelli Usage Restrictions The image may only be used with appropriate caption and credit. 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.