When a masterpiece of sacred music resonates within a spectacular architectural setting: the Orchestra and Chorus of the Gran Teatre del Liceu deliver a magnificent performance of Mozart's "Requiem" within the walls of Barcelona's Sagrada Familia.

Antoni Gaudí is one of the world’s most renowned architects - and his most famous project, La Sagrada Familia in Barcelona, is still under construction 140 years after work first began.

Architect Antoni Gaudi's vision for the Sagrada Familia, a church under construction for over 130 years, is aided by modern technology.