Here are some behind the scenes pictures. Stunning.

rev1 rev2 rev3

More can be found here:

Behind the scenes of the Revenant

Looks to be an epic revenge story. Cold, brutal, intense and gorgeous come to mind when I watch the trailer.

Here is a podcast about the movie (disclosure, I haven’t listened to all of it yet)
Why we are exited to see ‘The Revenant’

And another trailer