The latest developer diary for Fallout: New Vegas sees the development team at Obsidian speaking about the difficulties in taking something old, turning into something new, all while keeping it old. Confusing, I know.
Creating a world based off of what we have and know today is hardly difficult. We have old movie footage, photos, and even recordings of how life was back then. Trying to take a real-world location from a long time ago and shooting it 300 years or so into the future is the difficult part. Look below at this developer diary to learn how the team at Obsidian pulled it off.