Cologne Stadtbahn and main line railway trains, and occasional recreational boats on the Rhine. Düsseldorf is also linked by S-Bahn trains, which are operated by Deutsche Bahn. The Rhine-Ruhr S-Bahn has 5 lines which cross Cologne.The S13/S19 runs 24/7 between Cologne Hbf and Cologne/Bonn airport. There are also frequent buses covering most of the city and surrounding suburbs, and Eurolines coaches to London via Brussels. "Häfen und Güterverkehr Köln" (Ports and Goods traffic Cologne, HGK) is one of the largest operators of inland ports in Germany. Ports include Köln-Deutz, Köln-Godorf, and Köln-Niehl I and II. Cologne's international airport is Cologne/Bonn Airport
Cologne School of Painting Cologne School of Painting The term Cologne School of Painting was first applied in the 19th century to describe old German paintings generally. It subsequently came to refer more specifically to painters who had their workshops in medieval Cologne and the lower-Rhine region from about 1300 to 1550 (; ). Initially smaller altarpieces such as the Klaren Altar in the Cologne Cathedral from about 1360–70 were created, based on book paintings from around the year 1300 . The mid-15th century is the high-point of this school, when Stefan Lochner (active 1442–1451) created the "Altar of the City Patrons", which is