Urban planners

Vienna´s sumptuous imperial palaces may be the main draw for the many millions of tourists visiting every year. But for urban planning experts from all over the world, the Austrian capital´s more humble abodes are of greater interest as they search for solutions to the housing crises plaguing many of Europe´s cities. Vienna is this week hosting a conference on affordable housing, where the experts can take a close look at the city´s much-vaunted public housing model for themselves. Wolfgang Mack, a 72-year-old…