Bayona and star Enzo Vogrincic tell EW about the emotional conversations with survivors and families of the victims.

The day they wrapped production onThe Impossible, Bayona and his team secured the movie rights to the book.

Among them is Numa Turcatti, played by Uruguayan actor Enzo Vogrincic.

Society of the Snow

‘Society of the Snow’.Credit:QUIM VIVES/NETFLIX

Numa is a friend of one of the players and he narrates the movie.

Vogrincic and his castmates were able to meet with crash survivors, as well as family of victims.

Those details helped me a lot."

Society of the Snow

Agustin Pardella in ‘Society of the Snow’.QUIM VIVES/NETFLIX

Numa and his fellow survivors are not only dealing with the elements but also limited food supply.

“How do you die peacefully?

Who teaches you how to die?”

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Enzo Vogrincic in ‘Society of the Snow’.QUIM VIVES/NETFLIX

Bayona says of the questions the movie asks.

“To me, it’s more about emotional survival.

It’s not only physical survival.

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(Clockwise from top left) Agustin Pardella, Matias Recalt, and Agustin della Corte in ‘Society of the Snow’.QUIM VIVES/NETFLIX

It’s to understand that there’s something bigger than yourself.”

Society of the Snowopens on Dec. 22 in select theaters before streaming Jan. 4 on Netflix.

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Society of the Snow

Simon Hempe in ‘Society of the Snow’.QUIM VIVES/NETFLIX