Ruhr the Duisburg Mercatorhalle, the Saalbau Essen or the Dortmunder Philharmoniker. Each year in spring time, there is the Klavier-Festival Ruhr in the Ruhr area with 50 to 80 events of classical and jazz music. With more than 50 museums, Ruhr has one of the largest variety of museums in Europe. Industrial Museum The city of Essen (representing the Ruhr) was selected as European Capital of Culture for 2010 by the Council of the European Union. The Ruhr region has with 22 universities and colleges and more than 250,000 students, the highest density of further education establishments anywhere in Germany. These
Rhine-Ruhr is characterized by having the warmest winters in Germany, especially its western part at the Lower Rhine area. Classified by Köppen-Geiger climate classification to be oceanic (Cfb). The area has four international commercial airports, and multiple smaller aerodromes for general aviation. North Rhine-Westphalia has the densest network of Autobahns in Germany. The rail, S-Bahn, U-Bahn and bus companies are administered through a consortium of local and regional transport lines, the "Verkehrsverbund Rhein-Ruhr". It offers a rapid transit system which interconnects all cities and their respective local buses, trams, U- and S-Bahn systems, partly under the umbrella of Deutsche Bahn. Their