<prompt> Translate the following text to EnglishKatika karne ya sita, watu wa kabila la Barbarian walijenga ngome kubwa ya matofali na kutumia sanamu za kale kama makombora ya kuwapiga maadui wao.  <response>: It was sixth-century barbarians who commandeered the massive round brick pile as a fortress, using ancient statues as missiles to hurl on the heads of their enemies below. 