Sitges in the times of Modernisme   House of Bonaventura Blay, Villa Avelina". Hotel Xalet, 1901. C.Illa de Cuba, 13. Architect: Gaietà Buigas Photograph: Marc Rosés   House of Pere Carreras, 1906 C.Francesc Gumà, 23 Architect: Josep Pujol Brull Photograph: Marc Rosés