reporter: at this hospital in the kallawaya valley, the chief physician daniel fernandez has respect r healers like aurelio. not least because many of his patients ask for them. daniel: whoever wants to, can get pills from me first and then be treated by a kallawaya healer, who then prescribes an additional natural herbal medicine. reporter: pharmacies are almost nonexistent in the provincial capital charazani, because the strong tradition of alternative medicine has been preserved here. dozens of kallawaya like aurelio live in the valley, but they also feel the modern world moving ever closer. aurelio: the foreign, western culture and its thinking are coming closer and closer to us. but i think our healing medicine will still remain strong and important, even if our children suddenly only play with smart phones. reporter: centuries-old traditions live alongside a new, digital generation, a generation that plays computer games on their smartphones after school, on the slopes of the andes, where they can still get cell phone service. a little further on, it's time for yasmani arze, a c

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