An ABC News Studios documentary talks with survivors of the 1972 plane crash where 16 men spent 72 days fighting to make it back home.

What followed was months of horror, ingenuity – and incredible sacrifice Nando Parrado interview: Survivors of the crash sitting beside the plane fuselage.

One of the survivors, Nando Parrado, served as the technical advisor for Alive, in order to ensure the story was as accurate as possible.

Canessa and teammate Nando Parrado eventually hiked out of the mountain range to find help. The survivors were finally rescued on Dec. 22, 1972.

Meanwhile, Parrado and Canessa were taken on horseback to Los Maitenes, where they were further fed while the police relayed news of the survivors to the Chilean Army in San Fernando.

Parrado was one of 16 survivors of the Flight 571 crash in the Andes in October of 1972. It was Parrado and Roberto Canessa who finally managed to trek through the mountains for 10 days to find ...

In “Society of the Snow,” consumption is a sacrament in which the dead and the living become one J.A. Bayona's latest film offers a fresh perspective on how we can remember the 1972 Andes ...

Canessa and teammate Nando Parrado eventually hiked out of the mountain range to find help. The survivors were finally rescued on Dec. 22, 1972.

Did the survivors of Flight 571 resort to cannibalism? Agustín Pardella as Nando Parrado and Matías Recalt as Roberto Canessa in Netflix's "Society of the Snow." ...

“We are dead men walking, but…we are still walking,” Nando Parrado, one of the 16 survivors of the Uruguayan Air Force Flight 571 crash, told ABC News.