Milan had to wait a long time for its own contemporary art museum, but OMA’s Prada Foundation – now complete with the addition of a sculptural white-concrete tower – has quickly become a gallery of international significance

Despite its gold cladding, the Rem Koolhaas's latest building in Milan is no temple of ostentatious wealth, says Andrew Ayers. With its galleries housed around a converted distillery, it marks a deliberate shift for OMA away from huge statement buildings towards the preservation of existing spaces and “collisions” between old and new

In our August issue, we consider what the world’s fairs represent – looking at this year’s Milan Expo, the 1958 Brussels Expo and a mini-history of fair mascots – as well as visiting OMA’s new Fondazione Prada