Continuing the celebration of Barcelona as the World Capital of Architecture 2026, this architectural walk will explore Diagonal Avenue from Francesc Macia square to Passeig de Gràcia. Participants will discover various architectural styles that have shaped the city's identity since the late 19th century when this iconic avenue began its construction. Learn about modernism, eclecticism, and neoclassicism as you appreciate the unique structures that line the avenue. This guided tour offers insights into the historical and contemporary significance of Diagonal Avenue, enhancing your understanding of Barcelona's architectural evolution. Join us in this enlightening exploration led by Biete March and Oleguer, who will provide expert commentary on the architectural gems encountered along the route.