In the Amazonian state of Para, years of destruction have left their mark, with land cleared by loggers or for use by cattle.

Travel in this area can be precarious, as you drive along flooded dirt tracks and cross fragile bridges just narrow enough for one vehicle to pass.

Twisted metal hangs from the front of a bus that amazingly makes its way along this route, creeping tentatively up the muddier slopes, and travelling more slowly going down them.

We are making a five-hour journey from the town of Paragominas, to the small community of Tembe Indians.