
This 1993 photo provided by Rolando Navarro shows him as a student at the Agricultural National University of the Jungle of Tingo Maria, carrying samples for a project funded by the Peruvian Amazon Investigation Institute. Navarro was raised in the Amazon city of Tarapoto and got his renewable resource management degree in the early 1990s in the eastern Andean foothills at Tingo Maria, the cradle of the cocaine trade, during the country’s vicious conflict with fanatical Shining Path rebels. (Courtesy Rolando Navarro via AP)
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