https://twitter.com/WatchersOTWall/status/657556899852890112 The Wall is real, it exists, it is an official thing, and it's all crammed into a Northern Irish quarry. Condensing Castle Black and its dominant ice barrier utterly shatters the illusion, but it looks great. It's such a excellent set, and has played host to some incredible moments, including the Watchers On The Wall epic episode. Everyone knows which scene they're desperate to happen there next...