<prompt> Translate the following text to EnglishHadithi ya kale inasema kwamba vyombo vya udongo vilivyotengenezwa kwa udongo wa Persia vilitengenezwa kwa kutumia mchanga wa kuunganisha na mchanga wa kuunganisha kwenye minara ya hekalu.  <response>: Legend has it that jewels from Persia were ground up and mixed in with the mortar for one of the minarets, and that the incredible acoustics were achieved by embedding 64 hollow clay vessels facing neck-down in the dome. 