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For those who haven't seen it yet and are interested in minor things like this (take note that the description of the video said that the video is sped up, and that the actual transition takes about 6 minutes in the game):
Apparantly there's a moving sun aswell, but you couldn't see it in the vid. Don't know if this is true though.
Also, inb4 "how is this different then other games" or "lol i don't see what's so innovative about this". It's just a vid for those who want to see it guys.