Arrow is populated with characters that are so well crafted you are left to believe they actually could exist and accomplish their incredible feats. But that believability would fall short if the world they lived in wasn't as realistic. Season 3 introduced audiences to one of the most ambitious sets to date: Nanda Parbat. We'll visit both the practical and virtual set creators and see how their artistry is seamlessly blended together to create a set piece as epic and intimidating as Ra's al Ghul himself.