<prompt> Translate the following text to EnglishNyumba za kukaribisha ngamia karavani za ngamia au khans kama zilivyojulikana nchini Misri wakati wa enzi ya Fatimid zilijengwa hapa na Emir El-Khalili, na kutoa jina la soko.  <response>: A series of caravanserais rooming houses for the camel caravans that were the main method of transporting goods, or khans as they were known in Egypt during the Fatimid era, were built here by Emir El-Khalili, giving the market its name. 