21 and 22 October Barcelona will host a massive open day, to be attended by a huge number of buildings, factories, lofts and other interesting architectural buildings. View full list of participants can be HERE.
This event will be of interest not only to professionals sector, but simply curious tourists or residents of Barcelona, because of the 48 hours will be to get to places, often closed to visitors. For example, to climb to the roof of the Arc de Triomphe, take a walk through the halls of Barcelona City Hall, climb the tower in the fishing port. To avoid queues, come early.