![Casa da Musica, Porto, Portugal. (Architect: Rem Koolhaas). It has become sort of a "trademark" of modern Porto. In Boavista Stock Photo - Alamy Casa da Musica, Porto, Portugal. (Architect: Rem Koolhaas). It has become sort of a "trademark" of modern Porto. In Boavista Stock Photo - Alamy](https://c8.alamy.com/comp/F62CCA/casa-da-musica-porto-portugal-architect-rem-koolhaas-it-has-become-F62CCA.jpg)
Casa da Musica, Porto, Portugal. (Architect: Rem Koolhaas). It has become sort of a "trademark" of modern Porto. In Boavista Stock Photo - Alamy
![Casa da Música (House of Music) in Porto, Portugal. The emblematic concert hall designed by Dutch architect Rem Koolhaas was built in 1999-2005 Stock Photo - Alamy Casa da Música (House of Music) in Porto, Portugal. The emblematic concert hall designed by Dutch architect Rem Koolhaas was built in 1999-2005 Stock Photo - Alamy](https://c8.alamy.com/comp/P4092R/casa-da-msica-house-of-music-in-porto-portugal-the-emblematic-concert-hall-designed-by-dutch-architect-rem-koolhaas-was-built-in-1999-2005-P4092R.jpg)
Casa da Música (House of Music) in Porto, Portugal. The emblematic concert hall designed by Dutch architect Rem Koolhaas was built in 1999-2005 Stock Photo - Alamy
![Casa da Música welcomed over seven million visitors since its inauguration, on 15th April 2005 - News Porto. Casa da Música welcomed over seven million visitors since its inauguration, on 15th April 2005 - News Porto.](https://www.porto.pt/_next/image?url=https%3A%2F%2Fmedia.porto.pt%2Foriginal_images%2F686d69c3796d-mno_casa_da_musica.jpg&w=350&q=85)