Yes, there is air conditioning in the building.
I would be concerned for your Morher in this heat. I would wait and take her in the Fall, much nicer. Air conditioning is only in the main building you won't be able to see or hear music if your inside. Too Hot!!! Go to the movies!
They do have air conditioning but it still will be uncomfortable with the door open and closing a lot. Maybe bring a small personal fan as well.
Yes they have inside air conditioner running. Open big space. They will serve you cold water or soft drinks also.
Yes inside is air conditioned!
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