Floor is sometimes open with no chairs or tables, but the built-in half walls are always there. Then some shows its chairs only, and some have chairs and tables. Upstairs I've only seen chairs and tables. When you buy tickets it should be clear to see how it is for that show.
it depends on the event
Ground level is standing room only, limited seating in the upstairs balcony area
Yes
Usually.
Some shows book reserved seating. Most do not.
Yes there was s seating...
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