Husein-paša's Mosque in Pljevlja was built between 1573 and 1594. It was named by Husein-paša Boljanić from the Boljanići village, which was close to Pljevlja. It is regarded as one of the most beautiful sacral monuments of Islamic architecture in Montenegro.
The mosque has a square basis above which there rises a low-pitched dome set on a cubiform pedestal. An open porch covered with three small domes was formed in front of the main façade. A minaret was added close to the southern side. After it being struck by lightning in 1911, it was rebuilt into a slimmer and higher one, which is now the highest minaret in the Balkans.
The interior of the mosque and the porch are decorated with rich, in polychrome painted ornaments with floral motifs and quotations from Quran. Mihrab, mimber and mahvil abound in ornaments made in stalactites and in customary Turkish perforations.
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The Gravensteen is a castle in Ghent originating from the Middle Ages. The name means 'castle of the counts' in Dutch. Arnulf I (918–965), Count of Flanders, was the first to fortify this place, building a medieval bastion on this high sand dune, naturally protected by the river Leie and its marshy banks. This bastion consisted of a central wooden building and several surrounding buildings, also in wood.
In the early 11th century, the wooden building was replaced by a stone residence, consisting of three large halls that made up three storeys, connected by a stone stairwell. The monumental stone staircase, the light openings, the fireplaces built into the walls and the latrines were signs of considerable luxury and comfort in those days. There was probably also a tower.