- The district of Hietzing, by the way, is the greenest, with green spaces accounting for some 70% of the total area. Surprising but true: Vienna has some 800 farms within its city limits, where more cucumbers, for example, are harvested than in the rest of Austria’s provinces combined. The city has 162 public transport lines that are used by more than 966 million passengers per year. The Viennese are particularly environmentally conscious when it comes to mobility: 73% take public transport to work, 44% walk, 13% ride their bike, and only 33%
