view of the troubadour tower in the castle of aljaferia, built in the 11th century in zaragoza, spain. vertical. copy space for te

aljaferia ancient antique aragon architecture attraction background blue building castle city construction copy culture europe exterior facade flag for fort fortified fortress historic historical history islam islamic landmark medieval monument moorish mudejar old outdoor palace saragossa sky space spain spanish stone stronghold structure text tourism tower travel trip troubadour vertical wall zaragoza