It was originally intended as a church for Louis XV, but is now a secular mausoleum of some of the nation's greatest heroes.
Maintenance and security are a large expense for the mausoleum, with a significant part of the costs covered by visitor donations.
mnli hypothesis: Maintenance and security are a large expense for the mausoleum, with a significant part of the costs covered by visitor donations. premise: It was originally intended as a church for Louis XV, but is now a secular mausoleum of some of the nation's greatest heroes.