The Lost Eden

An experiment to restore paradise with elephant herds and exotic species.
5:43 | 12/29/11

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Transcript for The Lost Eden
The record of natural history is full of wars between the exotic species of this earth and our planet's most voracious -- -- -- us humans. In a tragic number these cases our dominion over other species is meant their doom. But in a remote corner of Africa where the lines of both humans and animals are at stake each may be able. To save the other here's my co anchor. The -- It's this is. It's a shot guys like Bob pool -- for the kind of image it evokes the very name National Geographic. But few will ever fully appreciate the series of minor miracles this moment represents. First we have to find Bob. Deep in Mozambique. By trusting bush pilot who frankly looks like he should be behind us. The video game older you I'm talking ought to be exporting oil of the -- what we're gonna we're. President. We eventually dip into the 115. Degree heat and after making sure there are no baboons or wart hogs on the runway. Touchdown board -- -- national park. Bob is there good image of volunteer anxious to get -- into the bush before sunset. -- eager to tell of this place that has become one of the most audacious experiments and Africa. Here's -- -- seeing these these. Yet he's dead babies are everywhere I mean look at everything as a baby now it's just. It's not. He has spent most of his life like this one hand on the Wheeler camera eyes fuel for movement. But this place is really honed his games -- skills because the wildlife here it was almost wiped away entirely. Fifteen years of civil war made this -- lost. While around a million people lost their lives soldiers also shot almost every -- that. Meet the needs to sell the ivory. When there was wants tens of thousands of buffalo after the war that -- five. Home. Only five zebras only six lines. When Bob arrive if -- only ones means that truly thrive. Profit -- We see its fifth all com. No wrongdoing on the streets they somehow they -- we were common. And these guys -- -- the waters of exactly and they they -- -- so when they see anything that they just should go under the water. Meanwhile is the biggest creatures that carry the most visible hole of the 2200 elephants that once roamed -- -- Only 300 remain. And most of them are emotional wrecks. -- watch their entire family gunned down you know killed. I'll never forget exactly elephants don't forget and so there's some hope fans opened here are wary of people there they tend to -- They they don't judge people. Proof we don't have to look any farther from the hood of Bob's Range Rover happened. Before we arrived. He stood right here and just went. And he head -- the car. So in addition to trying to slowly we in the hearts and minds of -- surviving elephants -- also Hatcher risky mission introduced new ones from outside. She Kruger National Park in South Africa -- the opposite problem too many elephants. So a team from Gordon goes it goes there choppers and tranquilizer dollars they bring down a half dozen middle aged bulls. Be sure to keep their lasted from -- so they don't suffocate or sleep. And then packed them up for an unprecedented 800 mile journey to a new home. It's all part of a grand plan hatched by American philanthropist Greg Carr who made a fortune inventing voice mail. He's pledged forty million dollars over twenty years to save this lost -- And create a thriving echo tourism economy. The impoverished locals. Of those people don't have enough to eat of course -- gonna come in the -- and hunt animals. Who wouldn't -- so we need to help them with their agriculture with their economic development -- lies so we can try to replace -- -- will lose in the get. But elephant relocation. Is extremely tricky. Because of that long memory the south African elephants -- wandering off. After scaring few villages one had to be -- yet again and this time did not survive. And enable the park has a lot of problems you know that have to be. Constantly. And that posing -- -- really big thing crowds on the outside. You know it it's getting people. Did believe in -- -- and and all that. But if it's exceeding its really winning and it's it's not that -- an end now for guys it's been especially that you have. Real -- -- that. Six seeming like you can actually see if anything. It's just so exciting. It's hard I mean Africa is huge and there's a lot of country you know where elephants around. Has typically there's -- a lot of people so it's like it's a very difficult battle. I don't know what's gonna happen and it's not not -- but I will say hearing going to go there at least temporarily is looking pretty like a great place to be announced -- Africa's lost Eden airs tomorrow on Nat geo one.

This transcript has been automatically generated and may not be 100% accurate.

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