After the (EU)ROPA international conference What? When? Why not? Portuguese architecture that took place on October 30th, 2021, at Casa da Arquitectura, in Matosinhos, a series of other sessions contributed to this extensive reflection on Portuguese architecture as part of the parallel programme of the exhibition. The debate What Colonialism?, open to the public and with the participation of architects and scholars, took place on March 5th, 2022.