In this featurette, they delve into director Andrew Niccol’s vision of what the futuristic elements may look like as well as the cave elements that the human resistance hide in.  In the P2P article, this is what the poster had to say about the video:   

What I think stood out from the featurette was our first glimpse into Melanie’s thoughts, we here her say, “so many humans alive,” when Wanda first walks into the cave. So if you are trying to stay spoiler free do not watch the video below, but if you don’t care then you will have a lovely time exploring the stunning set designs.

via Page to Premiere Network.