Some religions can be modification of doctrine and practice, so they are appropriate for the duration, but some buildings are still adhering to the old model without modifications by era.
Some religions are subject to change doctrine and practice to be appropriate to the period. But some still cling to the old religion without modification of the period.
some religious teachings and practices may be adjusted to provide a suitable time. But some religion still adheres to the old style without having to modify according to age.