Picture of Triple Bridge and Preseren Square, Ljubljana -- LJUBLJANA, SLOVENIA SEPTEMBER 02, 2013: People at Triple Bridge and Preseren Square in Ljubljana. This year Ljubljana city is competing for the title of European Green Capital 2016Picture of Triple Bridge and Preseren Square, Ljubljana -- LJUBLJANA, SLOVENIA SEPTEMBER 02, 2013: People at Triple Bridge and Preseren Square in Ljubljana. This year Ljubljana city is competing for the title of European Green Capital 2016