The "Train of Ideas", a mobile exhibition that will be escorting Hamburg's ideas of sustainable cities across Europe for the next seven months, can be visited at Hamburg-Altona this Friday. Visitors can experience this interactive exhibition until 21 April. The train will then set off through 17 European cities. The first stop is Copenhagen, where it will remain from 26 to 29 April. The train will then travel on to Malmo, Gothenburg, Oslo, Zurich, Munich, Warsaw, Riga, Tallinn, Vienna, Barcelona, Marseille, Nantes, Paris, Brussels, Amsterdam, Antwerp, and finally return to Hamburg.
