barcelona has been an example for a

barcelona has been an example for architecture in europe since the 1850s. one of the most famous architects of this period is antonio gaudi with his unique creations. he designed la pedrera house, parc guell and the sagrada familia church. this unusual church has eight towers, each over 100 meters high, and is the most-visited tourist site in spain. it has been under construction since 1882 and is expected to be finished in 2026