You can just go in whenever you get there. Place is big enough to accommodate a lot of people at once.
Yeah, I didn't schedule in advance. Just went in, bought the tickets, and enjoyed the exhibit! But yes, do give yourself plenty of time because it's big and it involves a lot of walking if you truly want to see everything.
Just give yourself plenty of time. I would not try to see it all in an hour.
There is no need to schedule a time online. Just give your self about an hour to walk each exhibit before they close.
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