Do you need to show proof of vaccination?

Yes you do! Also in any of the stores in the building

Yes

Yes . You have to

Yes. Very thorough guidelines.

Yes and also ID. They also check any bags that you bring.

Unfortunately thanks to Diablaso and Kotchul (I didnt vote for u). Yes.

Yes they check vaccine card plus your ID to match the vaccine card to be sure all are vaccinated before entry.