The renovation of a building in this city featured a change in a stripe of floral tiles from alternating to uniform positions marked by a checkered white-and-green vertical stripe. (-5[1])A house in this city with an arched roof was built on its “Block of Discord” and is called the “House of Bones.” Wrought iron balconies (15[1])adorn a house in this city whose rough facade led to its nickname the “Stone (15[1])Quarry.” Buildings in this city (15[1])that feature the (*) Modernista style of architecture include the Casa Milà. An architect was inspired by Dürer’s Melencolia I to feature a magic square in a cathedral in this city with 18 spires. Façades named for Nativity, Passion, and Glory are featured in that as-of-yet unfinished cathedral in this city. For 10 points, name this city home to the Sagrada Família designed (10[1])by Catalan architect Antoni Gaudí. ■END■