Masonry roof, unknown [RM99] - jcgomezz/Building_taxonomy GitHub Wiki
It is clear that the roof structure is made from masonry, but the type of masonry system is unknown. The system may be hidden, or information about it is unavailable.
It is clear that the roof structure is made from masonry, but the type of masonry system is unknown. The system may be hidden, or information about it is unavailable.