Newsnight travels deep into Ecuador's Amazon rainforest to meet the Huaorani tribe whose ancestral land holds vast oil reserves.

Ecuador - the fifth largest oil explorer in the world - is now seeking foreign donations in exchange for a promise not to exploit the reserves that lie under the Huaorani land. But will the government's plan work?

Watch Linda Pressly's film in full on Newsnight on Thursday 7 April 2011 at 10.30pm on BBC Two and then afterwards on the BBC iPlayer and Newsnight website.