J.R.R. Tolkien's maps of Middle ... the building of the Wall after the White Walkers invaded for the first time (which would have been the setting of the cancelled Game of Thrones prequel series ...

The massive trillion-ton ice wall is known as A23a and has even been compared to the Game of Thrones ice wall and its journey ...

Millions of people are drawn into "Game of Thrones" every week ... He's the creator of A Map of Ice and Fire, one of the most impressive maps of Westeros we've come across.