Shum Laka Rock Shelter (IMAGE) Saint Louis University Caption The Shum Laka rock shelter in Cameroon, home to an ancient population that bears little genetic resemblance to most people who live in the region today. Credit Photo by Pierre de Maret. 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.