I just saw that movie for the first time about a week ago! Love the connection!!
I'm guessing the pillars (or whatever they're called; I don't want to confuse the discussion by writing "poles") are unlockable/ removable. Not to spoil all the fun or anything...Maybe they're smarter than everyone is guessing? That bottom gap seems just large enough for their van.
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No need to discus this image, it's of such poor quality that the workers, van, posts, buildings, sign, cones, tape, passerby, concrete pavers and the very planet on which they all stand are almost certainly photoshopped.I'm guessing the pillars (or whatever they're called; I don't want to confuse the discussion by writing "poles") are unlockable/ removable. Not to spoil all the fun or anything...
That's about all you need to know right there.