Angel Rojas Valles met us with a warm, welcoming smile and outstretched hand. In his other hand he carried a plastic bag containing documents he would need to record our visit. Dressed in shorts, singlet, and sandals, his gentle demeanor and soft voice belied his powerful physique. After introducing myself and my two companions, Angel suggested that we get going. We had arrived in Boca Manu half an hour earlier, after travelling two hours on the Madre de Dios River from Puert