This 'Game Of Thrones' Map Showing Jon Snow's Travels Vs The White Walkers Has One Big Flaw

We don't know what the Night King has been up to north of the Wall.

from Forbes Real Time http://www.forbes.com/sites/erikkain/2017/08/19/this-game-of-thrones-map-showing-jon-snows-travels-vs-the-white-walkers-has-one-big-flaw/
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