There are no restrictions..... But you are in a sacred place which is left to personal criteria beyond personal beliefs the use of appropriate clothing for the place.
There is no clothing restriction.
Anyone there is no restriction
It is logical to think that because it is a sacred place, you must have respect for the church, religion and the people present... "No" you must present yourself in underwear or a bathing suit.
Entering a religious site, you have to be dressed respectfully.
dressed with dignity
There is no dress code, just being dressed is enough.
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