In this March 16, 2015 photo, a young man dances under a heavy rain during Peruvian Huayno singer Ely Corazon's concert, in La Mar, province of Ayacucho, Peru. The average cocaine backpacker or mochilero is surprisingly normal, says sociologist Laura Barrenechea. Few are troublemakers or social misfits. Typically, they are recruited by relatives and friends - often at festivities where liquor flows. They tend not to tell their parents, who nearly always disapprove. (AP Photo/Rodrigo Abd)