Here's my best guess as to what everything is. The entrance to the meet & greet is through the archway on the far left, with an exit toward the center. The newly-expanded restrooms are in the center, behind the mystery arch. The existing pavilion is on the far right, and does not appear to have any significant changes regarding guestflow
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I can't help but notice that the margarita stand is missing. It may just be artistic license, but there's really not a lot of space between the new path and the existing path to the Donald meet & greet and ADA entrance to the Mexico pavilion. I wouldn't be surprised if it got relocated to that path, or to the north side of the Mexico pavilion, since its current location (surrounded by construction walls) is essentially in the newly-expanded Norway area