<prompt> Translate the following text to EnglishKatika jumba la Salen Azul, kuna picha za kifalme za karne ya 18 na kumbukumbu za hati ya mapendeleo iliyotolewa kwa mji na Alfonso X, Mjuzi, katika karne ya 13.  <response>: There are 18th-century royal portraits in the Salen Azul Blue Room and archives that preserve the document of privileges granted to the city by Alfonso X, the Wise, in the 13th century. 