41 and 45 Passeig de Gràcia
Two classics of Barcelona Modernisme: The building at the left is Puig [pronounced "putch"] i Cadafalch's Casa Ametller at no. 41, and immediately adjacent, at 45, is Gaudí's 1904 Casa Batlló.
Barcelona, Spain
Photograph and text 1999 by George P. Landow