The rare, high-risk expedition aimed to prevent potential conflict between tribal groups in a vast and remote reserve near Brazil's Peruvian border.
In order to access remote reserve areas, some U.S. coal mines have to maintain aged underground entries for a great distance.
Smith and other activists said that for the inquiry to succeed, victims' families must be given the necessary support to participate fully – including funding for those traveling from remote reserves.
Pereira is an "indigenista", a specialist in recently contacted and isolated indigenous people whose job for Funai, as the agency is known, includes monitoring these groups in the Javari Valley, a remote reserve the size of Austria.
One of the most jarring aspects of their position for Mr Anaya was the third-world living conditions on remote reserves, where half of the water systems have been labelled as posing a medium-to-high health risk to their users, and where overcrowding and sub-standard housing help spread disease and violence.
Four original trips — with groups limited to 10 people — are being offered this year, including a swim across a volcanic crater lake in the Philippines in November; a river safari in Tanzania, above, in December; a trek across a remote reserve in Madagascar in March; and a 16-day north-to-south trek of Liverpool Land in eastern Greenland in April.
Volunteer caretakers, who need to be familiar with living in the bush, managing a remote reserve and knowing what to do if there is an emergency, are required to live in the park for about a month at a time, reporting on bush fires and recording data taken from cameras at the wombat watering stations.
VICE suggested several remote reserves and the Prime Minister's office decided on Shoal Lake 40.
Of course, providing education on remote reserves is more expensive, so the gap may not be closed for everyone.
Our original series — Canada's Waterless Communities — had focused on the lack of clean water access on many remote reserves.
