field producer jim wickens to the aceh region of north sumatra. here the leuser ecosystem is one of the last remaining strongholds for indonesian wildlife. it's a 6-million-acre protected park, but it's being illegally cut down to make room for palm oil. >> we've driven into the leuser ecosystem. this is a place of tigers, elephants, rhinos, and orangutans. it's supposed to be protected. but we've been tipped off by rangers here that there is illegal deforestation going on as we speak. we're going to go and try to film them and get right up close to the destruion. keep going. we've been hiking for hours to get here, right on the edge of where the trees are being cut down. i'm standing just meters from where the chainsaws are operating. i'm whispering because we've been told by our guides that these people are highly dangerous. [chainsaws in background] and it's likely to get violent if we move any closer. [m shoutsin distance] you can hear the trees falling through the canopy. it's one of the most biodiverse places on the planet. [choppng] and it'