The Mies van der Rohe Foundation joins the celebration of the 20th anniversary of the civic association and independent SOS-Monuments that works for the dissemination and conservation of heritage.This year’s conference wants to highlight the changes that have taken place in the concept of heritage and the fact that the heritage compromises aspects that go beyond its material body and is influenced by them.Anna Ramos, director of the Fundacó Mies van der Rohe, participates on Saturday 4 at 10:00 with an intervention on restoration and reconstruction criteria.