If you’re a fan of Game of Thrones, you already know that it’s the most expensive show on television. Of course, the fact that it’s one of the most watched and most critically acclaimed shows on television probably makes it worth the investment for HBO. Obviously, the majority of the money goes to the special effect department who do a fantastic job but have you ever wondered how much work they actually have to do to recreate the Seven Kingdoms for TV?

For today’s Friday of Ice and Fire, let’s take a look at what goes into making Game of Thrones come to life on HBO.