Špilberk Castle in Brno, Czechia, atop a hill overlooking the town. It served being a royal castle in advance of becoming converted into a fortress within the 13th century. Špilberk was the heaviest prison inside the Austro-Hungarian Empire, earning the nickname “Dungeon of countries” for imprisoning political dissidents. Clever Vocabulary: https://andreohyma.buscawiki.com/798926/flat_things_to_know_before_you_buy