Curahuasi is about a 90-minute drive from Cusco. It’s most famous claim to fame is as the home of the Sayhuite Rock, a large piece of granite carved by the Incas with more than 200 figures. Curahuasi is also the service home of Erin and Nathan. While part of the service assignments for both students is working on their families’ respective farming plots, they both also work at the town’s health post. Erin, a biochemistry major, works in the laboratory, analyzing blood, urine and feces samples. Nathan, an accounting major, works in the center’s health insurance department.