An asbad is a "Persian windmill"[1] which comes in the shape of a two storey building. Those have been proposed for inclusion in the Unesco World Heritage[2] back in 2017.

[1] https://heritagesciencejournal.springeropen.com/articles/10.1186/s40494-021-00587-0
[2] https://whc.unesco.org/en/tentativelists/6192/