pedestrian birdge running in circles to cross the main road in koblenz, east of the rhine

germany 2020 rhine mittelrheintal unesco world heritage located koblenz valley town castles rheinromantik tourism shore coast river water vacation tree road buga view summer background mittelrheintalstraae rheinsteig regional mosel rivers smaller places bingen medieval connected city rheinmoselstadt touristic north fort horchheimer schloss side bridge ship rhein-mosel-stadt area passing passenger ships south empty parking lockdown days church east west green belt right b42 sign signabout truck weight limit limiton pfaffendorfer damage pedestrian birdge running circles main center mosel old city koblenz villages tourism