koblenz, germany - 09 12 2022: small tunnel with bikes parked in the way

infrastructure transport wall road street building architecture floor room door alley wood subway house property facade hall koblenz germany 2022: ship pegelhaus preussisches regierungsgebäude historic government regional center rhine mosel old town located rivers called rhein-mosel-stadt touristic context marks north mittelrheintal unesco world heritage site deutsches eck estuary shaped front holding german states flags statue kaiser wilhelm horse reunification monument wiedervereinigung 1990 festung ehrenbreitstein east side small tunnel bikes parked