(CNN)-- Researchers have produced aerial photos of jungle ... uncontacted people from intrusion by the outside world. "These pictures are further evidence that uncontacted tribes really do exist ...

The aircraft banked sharply, and we looked down on the jungle canopy ... perhaps 20 people, chose to stay in the forest with other isolated tribes—including their mortal enemies, the Mashco ...

“It’s really interesting to see how people have grown up in the jungle and how all of their stories intertwine ... While many may think that making visits to areas inhabited by indigenous tribes can ...

Violence, disease and loss overwhelmed the tribes. By 1870, an estimated 30,000 native people remained in the state of California, most on reservations without access to their homelands.