GENERAL SANTOS CITY: Gensan Eco-karera participants race as they hurdle a river run, bouldering, indigenous cooking techniques, paddling, rappelling, mall race and other exciting tasks around the city Thursday (August 30) on the second day of the 9 th Tuna Festival in General Santos City, a week-long celebration coinciding with the 40th charter anniversary of the city. Photo by Cocoy Sexcion/SARANGANI INFORMATION OFFICE