This is the patio they use for the fireworks party and it likely will not be used after a certain time for regular diners if at all. We just ate there for dinner and it was closed off. Only package holders would be seated here. Yes there is outdoor seating up behind it under cover I don't think is part of the party but maybe it is along the rail. Either way I would imagine if the weather is wet they may move the party people to those tables under cover.
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(Photo credit Kingdom Insider)