Chimpanzees (IMAGE) PLOS Caption These chimpanzees were study subjects at the Tchimpounga Chimpanzee Sanctuary in Pointe Noire, Republic of Congo. Credit Alexandra Rosati Usage Restrictions With credit to source 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.