The facade of the Palau de la Musica Catalana (Palace of Catalan Music) concert hall, old city, Barcelona, Catalonia, Spain, Europe

the facade palau de la musica catalana palace catalan music concert hall old city barcelona catalonia spain europe casa milà barcelona spain architecture gaudí modernist building interior columns mosaic tile design art pattern colorful hallway detail ornate structure travel landmark destination tourism culture history building facade tourist attraction europe spanish catalan cityscape urban exterior casa batlló park güell art nouveau modernism architectural modern contemporary