The 14th-century Vozmediano Castle is located atop great hills on the border with Aragon. Throughout the structure you can see various construction styles from different periods; Roman surrounding walls, a Muslim watchtower and medieval walls with battlement hexes.
The castle is currently in ruins although it was made up of a double walled enclosure, the outer walls being strengthened on the most vulnerable corner by a great quadrangular tower where there was an access gate, and on the other corner, a circular tower that was built later on. Another quadrangular tower placed in the middle of the wall was used as an abutment, and the rest of the perimeter does not contain any more towers and is actually much thinner than the other walls. The inner enclosure still maintains the original keep and is currently being used as the village’s cemetery. “Marqués de Santillana” dedicates some verses to this area where the Queiles River’s source is located in the foothills of Mount Moncayo.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.