Tonight's episode of Game of Thrones (titled "The Watchers on the Wall") is reportedly its most expensive episode ever (edging out previous big battle episode "Blackwater"). Why? Well, according to showrunner David Benioff, a lot of it has to do with the Wall - you know, that 700 foot high structure made entirely of ice that is one of the most important locales in Game of Thrones lore - namely that it doesn't exist and is created pretty much entirely through CGI.
How much does the Wall not exist? This much:
via Independent IE
That's a LOT of nothing there. And to drive the point home a little further, here's Castle Black - the home castle to the Night's Watch, located directly next to the Wall:
Much of the special effects work for the Wall was previously done by Spin FX - a visual effects company also responsible for The Borgias and After Earth.
via Art of VFX
Pretty weird seeing the inner-workings of the Wall. But at least there hasn't been anything here that completely alters our perception of the Night's Watch or the -