Map of Andean Highlands (IMAGE) University of Chicago Medical Center Caption This is the location of ancient samples near Lake Titicaca, elevation 3812 meters, in what is now Peru and Bolivia. Credit Authors of the study 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.