Another UNESCO cover from Germany, with 2 stamps celebrating the "Upper Middle Rhine Valley".
The Rhine Gorge is a popular name for the Upper Middle Rhine Valley, a 65 km section of the Rhine between Koblenz and Bingen in the states of Rhineland-Palatinate and Hesse in Germany. It was added to the UNESCO list of World Heritage Sites in June 2002 for a unique combination of geological, historical, cultural and industrial reasons.