The screenshot, is the only evidence that Blizzard has shared publicly. The image is titled "Glimpses" and the caption says "Interesting…"
Unfortunately I am not much of a WoW player, so if anyone can give some inside info on this, maybe we can peice this puzzle together!
What does Blizzard have up their sleeve this time? Are developers hinting at a change to the world of Azeroth? Or is it just a marketing ploy?