Xalet Serra, architect Joan Rubio y Belver, built in 1911, address: Avinguda Castellvell, 20 Rubio is a famous Catalan modernist architect who not only worked closely with Gaudi for a long time, but also maintained friendly relations with him throughout his life. Now the Xalet Serra building houses a photo workshop. What kind of phenomenon is this - Catalan modern? Art Nouveau was not an isolated phenomenon unique to Catalonia. For the British and French, it was the Art Nouveau (New Art) style; for Italians - Lo Stile Liberty (Free style); The Germans called it Jugendstil (Youth Style), and the Austrians called it Sezession (Secession Style).→