Photos by renan_ozturk / Portraits of indigenous Akawaio, taken on National Geographic's Lost World Expedition. The expedition completed a transect of the Upper Paikwa River Basin, near Guyana’s northwestern border with Brazil and Venezuela, to look for new species of amphibians and reptiles in one of the world’s richest and least explored hotspots of biodiversity. See renan_ozturk for more from this #TheLostWorldExpedition