France–Germany relations of the further integration of the EU. They are sometimes described as the "twin engine" or "core countries" pushing for moves. A tram straddling the Franco-German border, across the river Rhine from Strasbourg to Kehl, was inaugurated on the 28th of April 2017 symbolising the strength of relation between the two countries. Both France and Germany track their history back to the time of Charlemagne, whose vast empire included most of the area of both modern-day France and Germany – as well as the Netherlands, Belgium, Luxembourg, Switzerland, Austria, Slovenia, and northern Italy. The death of Charlemagne's son Louis the
Belfries of Belgium and France larger buildings. However, a few are notably standalone, of which, a handful are rebuilt towers formerly connected to adjacent buildings. ID numbers correspond to the order in the complete list ID 943/943bis from UNESCO, see External links. Belfries of Belgium and France The Belfries of Belgium and France are a group of 56 historical buildings designated by UNESCO as World Heritage Site, in recognition of an architectural manifestation of emerging civic independence from feudal and religious influences in historic Flanders and neighboring regions of the Duchy of Burgundy. UNESCO inscribed 32 towers onto its list of Belfries of Flanders and