Warning: Contains spoilers for Game of Thrones Season 7, episode 4.
Assuming Jon Snow didn't hastily knock up those cavings paintings in a desperate attempt to convince Daenerys the White Walkers are real, there's a chance they might be able to tell us something.
Because no detail in Game of Thrones is ever there by accident, right?
So first, a quick recap: when Jon Snow led Daenerys into that dragonglass cave in on Sunday's episode, she was greeted with a bunch of weird twisty patterns like this:
If those patterns look at all familiar to you, there's a good reason for that: we've seen them before. Read more...
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