Cave Art Lion (IMAGE) Geological Society of America Caption Angel Acosta-Colon (shown here) poses with a number of pictographs, including an unusual find—an animal that looks like a lion. He speculates that this may be the first cave art drawn by slaves that were brought to the island during Spanish colonization. Credit Credit: A. Acosta-Colon. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.