[2][1] They consist of a collection of vaulted rooms built in rows and stacked in multiple stories organized around an internal courtyard.
[1] The formation of the collective granaries in southern Tunisia and the Nafusa Mountains of Libya can be attributed generally to the 14th century.
[2] In more recent centuries, the number of ksour in southern Tunisia increased as local lifestyles became more uniform.
[2] Ghorfa-type granaries consist of a series of barrel-vaulted rooms, each with a single door, built in rows and stacked on top of each other to form multiple stories.
[1] In Tunisia: In Libya: Ghorfas were featured prominently in the film Star Wars: Episode I – The Phantom Menace as the slave quarters of Mos Espa, home to Anakin Skywalker.