The Roman Bridge is an ancient structure in Trier, Germany, over the Moselle. It is the oldest standing bridge in the country, and the oldest Roman bridge north of the Alps. The nine bridge pillars da

Rhineland-Palatinate is a landlocked state in western Germany. It covers 19,846 km2 and has about 4.05 million residents. It is the ninth largest and sixth most populous of the sixteen states. Mainz i