sentences:  In 1760 the building façade was refashioned and new alcove outbuildings and two wings facing the street were added, finished with storeyed pavilions with mansard roofs based on plans by Jakub Fontana.Between them a guard-house was erected (1763) with sculptures by Sebastian Zeisl and two gates on each side.The layout is shaped like a horseshoe, with a central part and two side wings.