This shows the Plaster ceiling of the Music room of AliQapu Palace,
Aliqapu, meaning grand doorway in Azeri language, This Palace is located in western edge of Naghsh-e-Jahan square in Isfahan, Built in the early 17th century.
This Ceiling takes its name for the peculiar Stucco shaped as porcelain jars, which produces a strong echo and reflection of sounds in the hall resulting in a louder music in the palace.